Insertion depth mark

When using Sungator fittings, start by measuring and marking the pipe for a clean cut. Then, push the fitting onto the pipe until it reaches the insertion depth marker. For Sharkbite fittings, the process is similar, with the added step of using the Sharkbite depth gauge tool to ensure proper insertion depth. Avoid common installation mistakes ...

Insertion depth mark. Step 4. Measure and Mark. Use the same deburr and gauge tool to determine the insertion depth on the copper pipe. Label the location with a permanent marker. That way, you will know if you’ve pushed the pipe all the way to the recommended depth.

Hose Insertion Depth Blocks TH9-1-43B ; Add to cart Close. Skip to the end of the images gallery ... By PARKER. TH9-1-43B . Description. A way to quickly and easily mark proper hose insertion depth for guaranteed validity each and every time. Product Specifications. More Information; Pack Size: 1.0000: UOM: EA: Supplier Part Number: TH9-1-43B ...

Mar 22, 2013 · Make sure that the minimum insertion mark, also called Limit Insert height mark (Fig.4.5) remains inside the frame. A minimum of 2 inches (64 mm) of seat post must. remain in the frame. Riding with the seat raised above this height may cause loss of control resulting in personal injury or damage to your bicycle. Measure and mark the insertion depth. Using your deburr and gauge tool, measure and mark the proper insertion depth on your pipe. Make the connection. Slide the slip end of the fitting onto the pipe as far as it will go. The slip end is labeled on each fitting. Adjust the slip fitting.insertion depth are considerable challenges, especially in infants and small children [1] [2] [3]. Uncuffed ETTs had been used for several decades[4] and ... have no depth marking, and others have multiple depth markings. The length of the trachea in pediatric patients is shorter than that in adult patients. Anesthesi- MARK INSERTION DEPTH The required insertion depth must be marked on the pipe or the press fitting (the latter for fittings with pipe ends) in order to guarantee a safe and proper joint. The pressing operation behind the bead is of crucial importance for the tensile strength. The marking on the pipe must remain visible (but close to the fitting ... debris. Mark the pipe to the correct insertion depth. Push pipe and fitting together up to the depth mark. Cut Push Done Disconnect Using the disconnect clip, fittings can be easily changed, removed and reused. SharkBite plumbing system SharkBite Fitting Size (In.) Nominal Pipe Size Pipe OD Size (In.) Pipe Insertion Depth Fraction (In.) Pipe ...A golf tee insertion depth measurement tool provides a gauge to facilitate marking the shaft of a golf tee to indicate a desired insertion depth that provides an optimum height for a golf ball placed on the tee, which ball is to be struck by a club face having a height H. The tool has a base portion and an elongate stem portion having a stem length.Mark proper insertion depth for SharkBite Universal fittings, as well as deburr pipe with a simple rotation of the tool once the pipe is inserted. Features and benefits: Compatible with PEX, copper, CPVC, PE-RT and SDR-9 HDPE pipe. Used to deburr the outside of copper pipe to remove any sharp sections or burrs.Measure and mark the insertion depth. Using your deburr and gauge tool, measure and mark the proper insertion depth on your pipe. Make the connection. Slide the slip end of the fitting onto the pipe as far as it will go. The slip end is labeled on each fitting. Adjust the slip fitting.

Depth Marking Tools Achieve leak-tight performance with a robust tube grip and vibration resistance. The remarkable dependability of the Swagelok tube fitting has been proven with over 65 years of success, and has been documented in numerous published test reports, including those performed under extreme conditions. Few studies have been carried out to determine the correct depth of placement of ET both orally and nasally suggesting positive correlation between height and airway length.[7–9] Also, most of the studies in the literature quote the depth of insertion from midline, while the ET is usually secured at the angle of mouth. However, no study could ... Always mark the insertion depth on the tubing to provide a guide to ensure you have inserted the tube properly. Step 4: Push It Push on the fitting or valve to meet the …The outer diameter of a left DLT was measured using a caliper at the carina mark (indicated by the black arrow). 2.3. Chest Computed Tomography and X-ray ...Mar 22, 2013 · Make sure that the minimum insertion mark, also called Limit Insert height mark (Fig.4.5) remains inside the frame. A minimum of 2 inches (64 mm) of seat post must. remain in the frame. Riding with the seat raised above this height may cause loss of control resulting in personal injury or damage to your bicycle. A cracked Crock-Pot insert can still be used if the insert is ceramic. If the insert has a non-stick coating, it should be replaced and not used. If leaks are a concern when using ...The optimal insertion tube depth for oral intubation is considered to be 20 cm for women and 22 cm for men (20/22 rule) 4 or 21 cm for women and 23 cm for men (21/23 rule), 2 depending on ethnicity. Such rough estimations, however, can lead to inadvertent endobronchial intubation or inadequate insertion.13 Nov 2017 ... There are insertion depth marks on the pipe – if you cut against the ... mark will demarcate that the pipe is fully inserted into the fitting.

A golf tee insertion depth measurement tool provides a gauge to facilitate marking the shaft of a golf tee to indicate a desired insertion depth that provides an optimum height for a golf ball placed on the tee, which ball is to be struck by a club face having a height H. The tool has a base portion and an elongate stem portion having a stem length.The front door of your home is the first thing that people notice when they visit. It sets the tone for your entire house and can greatly impact your home’s curb appeal. One way to...Ex: 4.0 ETT => Depth = 12 cm; Only used for ETT 3.0 or greater. Only predicted accurate placement in ~59% of cases. [Koshy, 2016] Endotracheal Tube Depth: Auscultate? ETT placement confirmation has typically begun with auscultation of breath sounds. Equal / symmetric bilateral breath sounds would seem to suggest aeration from above the carina.Received 9 Upvotes on 8 Posts. As far as I know, there is no "tool" to measure depth for a Sharkbite fitting. The only tool I know of is a removal ring to help decompress the innards and allow you to remove …The optimal insertion tube depth for oral intubation is considered to be 20 cm for women and 22 cm for men (20/22 rule) 4 or 21 cm for women and 23 cm for men (21/23 rule), 2 depending on ethnicity. Such rough estimations, however, can lead to inadvertent endobronchial intubation or inadequate insertion.Step 7: Mark Coupling Insertion Depth Fully insert the hose into the appropriate Hose Insertion Depth Block (TH9-1-43A) port and mark the hose to indicate the proper fi tting insertion depth using a white marking pen. Repeat this step for the other hose end. Another way of marking the proper insertion depth is to use Table 3 listed below.

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Always mark the insertion depth on the tubing to provide a guide to ensure you have inserted the tube properly. Step 4: Push It Push on the fitting or valve to meet the insertion depth mark… you’re done. May 15, 2008 · The cut should be perpendicular to the centerline of the tube. Step 2 – Remove burrs by chamfering the tube at the inside and outside diameters.. Step 3 – Mark the tube exterior at the depth shown. The tube insertion depth is the same whether the tube material is Copper, CPVC, or PEX. Tube Size 1⁄2. 6 Mark proper insertion depth. Improper insertion depth may result in an improper seal. The depth marking shall be visible on the completed assembly. 7 Refer to chart for minimum distance between fittings. To ensure a correct press, a minimum distance between press fittings must be maintained. Failure to provide thisMark the nut at the 6 o’clock position. 4. While holding fitting body steady, tighten the nut one and one-quarter turns to the 9 o’clock position. For 1/16, 1/8, and 3/16 in.; 2, 3, and 4 mm tube fittings, tighten the nut three-quarters turn …Following insertion, the Demo videos clearly show the deburring tool depth mark (on the pipe) aligned at the top of the release collar. According to Sharkbite, their PEX pipe is marked at 1" intervals to allow proper insertion. Again, the demo videos show the pipe (easily) inserted to the 1" mark.The intubation depth mark of the tracheal tube was placed between the vocal cords by direct laryngoscopy. ... The insertion depth marks of the new Microcuff paediatric tracheal tube allow adequate ...

A device for marking a generally cylindrical member includes a pair of markers positioned within a housing. The generally cylindrical member is inserted into the housing and positioned adjacent to the pair of markers.it meets tube stop AND insertion depth mark. Wetting the tube, fitting or valve with clean water may reduce insertion force. Using approved press tool and jaw of the correct size, open the jaw and place over the bead of the fitting or valve at a 90 degree angle to the tube centerline. Press. Please refer to the specific tool manufacturer ...See Hose Insertion Depth table below. If crimping Parker 81 series shells with Parker 88 series fittings: Place shell onto end of hose and make sure the end of the shell lines up with the insertion depth mark. Push hose onto the 88 Series fitting until the shell bottoms against the fitting’s stop ring or hex. Lubricate hose if necessary. How ...MARK INSERTION DEPTH The required insertion depth must be marked on the pipe or the press fitting (the latter for fittings with pipe ends) in order to guarantee a safe and proper joint. The pressing operation behind the bead is of crucial importance for the tensile strength. The marking on the pipe must remain visible (but close to the fitting ...Conversely, if the depth of insertion of ET beyond vocal cords is too less, the cuff might impinge on the vocal cords on inflation leading to sympathetic stimulation, trauma, recurrent laryngeal nerve compression and increased risk of accidental extubation. ... Mehta suggested to place the depth mark at 2.5 cm for males and 2.25 cm for females ... 1. Mark pipe as shown. This is pipe insertion depth. 2. Clean pipe end. 3. If using PEX tubing, insert pipe stiffener (provided) into end of pipe. 4. Push tubing into tailpiece up to mark. 5. Insert collet clip. To Connect PEX tubing only Pipe Stiffener Tail Piece Mark Collet clip 11/2 in. (38.1mm) 13/4 in. (44.45mm) 17/8 in. (47.63mm) 1/2 in ... The optimal insertion tube depth for oral intubation is considered to be 20 cm for women and 22 cm for men (20/22 rule) 4 or 21 cm for women and 23 cm for men (21/23 rule), 2 depending on ethnicity. Such rough estimations, however, can lead to inadvertent endobronchial intubation or inadequate insertion.Mark the proper insertion depth as indicated by the ProPress Insertion Depth Chart. Improper insertion depth may result in an improper seal. The depth marking shall be visible on the completed assembly. ProPress Insertions Depth Chart. Tube Size: ½" ¾" 1" 1¼" 1½" 2" Insertion Depth: ¾" ⅞"A widely held belief is that the endotracheal tube (ETT) should be secured at 23cm for men and 21cm for women. This is derived from a study of 83 adults in Cincinnati, USA ( Roberts 1995 ). Dispelling …

28 Aug 2014 ... The rule of thumb we used before the CPSC started requiring minimum insertion markings was a depth of 2 to 2-1/2 times the diameter of the post.

Throughout history, many cultures have used different names to refer to the divine being that is known as God. Each of these names has its own unique meaning and significance. In t...Leonard Cohen is a name that resonates deeply within the music industry. Known for his poetic lyrics, soulful voice, and introspective songwriting, Cohen has left an indelible mark...FULL VIDEO: https://youtu.be/aPZJNZHU3HcINSERTION DEPTH CHART: https://www.sharkbite.com/pipe-insertion-depth-chartAmazon affiliate links to all the products...Place one end of the hose into the appropriate hole on a depth insertion gauge (must be ordered separately), until it bottoms out. Gauge part numbers: MS‐IGB‐TP4‐8‐CA for 1/4, 3/8, and 1/2 in. hose. MS‐IGB‐TP12‐16‐CA for 3/4 and 1 in. hose. Mark the hose with a sharp grease pencil as close to the gauge as possible.13 Nov 2017 ... There are insertion depth marks on the pipe – if you cut against the ... mark will demarcate that the pipe is fully inserted into the fitting.Download scientific diagram | Measurement of the insertion angle, the insertion depth, and the distance. 1: the sternocleidomastoid muscle. 2: the cricoid cartilage. 3: the thyroid gland. 4: the ...Mar 22, 2013 · Make sure that the minimum insertion mark, also called Limit Insert height mark (Fig.4.5) remains inside the frame. A minimum of 2 inches (64 mm) of seat post must. remain in the frame. Riding with the seat raised above this height may cause loss of control resulting in personal injury or damage to your bicycle. When it comes to heating your home during the colder months, a fireplace can be a cozy and cost-effective solution. However, not all fireplaces are created equal. If you’re looking...

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MARK INSERTION DEPTH The required insertion depth must be marked on the pipe or the press fitting (the latter for fittings with pipe ends) in order to guarantee a safe and proper joint. The pressing operation behind the bead is of crucial importance for the tensile strength. The marking on the pipe must remain visible (but close to the fitting ... A golf tee insertion depth marking system includes a measurement tool and a marking tool. The marking tool includes a housing having first and second surfaces. Bores extend into the housing from the first surface. Windows are disposed in the second surface of the housing that provide openings into the bores at various distances from the first surface.After intubation, the endotracheal tube (ETT) was fixed at a depth of 23 cm at the upper incisors in men and 21 cm in women. The depth of intubation was verified by video-assisted laryngoscopy. The distance between the upper edge of the saline-inflated cuff and the vocal cords was measured by ultrasound; the ideal distance was considered …The insertion depth was determined as follows. The insertion point was designated as 'Point I'. The sternal head of the right clavicle was called 'Point A' and the midpoint of the perpendicular line drawn from Point A to the line connecting both nipples was called 'Point B'. The insertion depth of CVC was determined by adding the two distances ...insertion depth are considerable challenges, especially in infants and small children [1] [2] [3]. Uncuffed ETTs had been used for several decades[4] and ... have no depth marking, and others have multiple depth markings. The length of the trachea in pediatric patients is shorter than that in adult patients. Anesthesi-Measure catheter insertion depth + mark. Zone I – Xiphoid (approx 50cm) Zone III – Umbilicus (approx 40cm) Insert long guidewire to mark; X-ray — J-tip approximately level with T4; Insert catheter to mark. assistant holds guidewire ensuring not to advance/withdraw while REBOA operator inserts catheter; Measure and mark the insertion depth. Using your deburr and gauge tool, measure and mark the proper insertion depth on your pipe. Make the connection. Slide the slip end of the fitting onto the pipe as far as it will go. The slip end is labeled on each fitting. Adjust the slip fitting. When the new pipe is ready to go, push a SharkBite Max fitting onto the new pipe, meeting the insertion depth mark. Then, push a SharkBite Max fitting onto the existing pipe on the other side. Bring the new pipe to the existing and ensure both fittings are properly connected to the pipes. Then, check the depth marks. After confirmation, secure tubes to the patient so the cm mark is visible at the nose or lips If no cm marks are available mark the tube with indelible ink ... • Upon initial NGT insertion, check the pH is within the desired range of 1-5.5: o Aspirate 3-8 ml of gastric fluid to obtain specimen for pH with stylet in place (inMeasure and mark the insertion depth. With the SharkBite Deburr & Gauge Tool, mark the insertion depth. You can also find the SharkBite Insertion Depth Chart here. Make the …Received 9 Upvotes on 8 Posts. As far as I know, there is no "tool" to measure depth for a Sharkbite fitting. The only tool I know of is a removal ring to help decompress the innards and allow you to remove the fitting from the pipe. Sharkbite fittings just press onto the pipe until they bottom out, usually 3/4" from the edge of the release ring. ….

Radiopaque lead-shots (helps confirm position of NG tube in X-ray and also makes the tip end heavier which helps in insertion of the tube) Markings in the body of the tube: 1st marking (single line): 40 cm …Hose Insertion Depth Blocks TH9-1-43B ; Add to cart Close. Skip to the end of the images gallery ... By PARKER. TH9-1-43B . Description. A way to quickly and easily mark proper hose insertion depth for guaranteed validity each and every time. Product Specifications. More Information; Pack Size: 1.0000: UOM: EA: Supplier Part Number: TH9-1-43B ...5 Mark proper insertion depth as indicated by the Viega MegaPress Insertion Depth Chart. Improper insertion depth may result in improper seal. It is recommended that the depth marking be visible on the completed assembly. Make sure the flow direction indicator on the valve is facing the correct direction. 6 Refer to the chart below for minimum ...Gather required tools and materials for the project. Hydraulic hose. Hydraulic hose fitting. …Insert the pipe through the release collar to rest against the grab ring. Push the pipe firmly with a slight twisting action until it reaches the tube stop. To ensure that the pipe is correctly inserted, check that the depth mark is within 0.005 … depth marking still be visible. 6 Insert appropriate Viega ProPress jaw into the press tool and push in, holding pin until it locks in place. 7 Open the jaw and place at right angle on the fitting. Visually check insertion depth using mark on tubing. Viega ProPress ½" to 2" Fittings For Hard Copper Tubing in ½" to 2" the protocol-specified insertion depth with depth stops in place for ScreWlIne Implants [...].Insertion and post-insertion care of enteral nasogastric feeding (NG) tubes are common procedures in the United States, with more than 1.2 million temporary nasogastric feeding tubes inserted annually. [ 1 ] Clients in acute care and community settings may have various types of enteral tubes to assist their recovery. Insertion depth mark, Parker's Hose Insertion Depth Blocks are a way to quickly and easily mark proper hose insertion depth for guaranteed validity each and every time. Estimating the depth of the hose by eye can be extremely dangerous. If the hose is not inserted into the shell of the fitting per the recommended length, the fitting can blow off., Trachea / diagnostic imaging. Proper depth of ETT placement in the critically ill adult patient can be estimated by the technique of this study. In this adult patient population, corner-of-the-mouth placement of the ETT using the 21-cm tube mark for the women and the 23-cm mark for the men would have led to proper placement for …., Mark insertion depth on tube using depth gauge • Insert tube into correct socket in depth gauge. • Check window to see the tube is fully inserted. • Mark the insertion depth on the tube. STEP 7B Check the depth mark • Remove the tube and align with fitting socket, check that the depth mark is correctly positioned., Measure guidewire insertion depth + mark (sternal angle via umbilicus, approx 60cm) Measure catheter insertion depth + mark. Zone I – Xiphoid (approx 50cm) Zone III – Umbilicus (approx 40cm) Insert long guidewire to mark; X-ray — J-tip approximately level with T4; Insert catheter to mark, Ensure the pipe is free of scratches and debris. If you are handling copper pipe, remove any sharp edges or burrs. Next, use your SharkBite Depth & Deburr tool to measure and mark the insertion depth on your pipe. Push the pipe into the fitting on the valve up to the insertion mark. Now, turn on your water and check the connection., Insertion Depth CUT: Cut the pipe square removing rough edges and debris. Mark the pipe to the correct insertion depth. PUSH: Push pipe and fitting together up to the depth …, hose is marked with the insertion depth from each cut end . This way there is a mark to verify the coupling has been fully inserted into the hose . These types of couplings require a full length crimp, shown in Figure 7 . In order to form the full length crimp the edge of the coupling should be inserted into the die approximately 1/8”, process you follow for insertion depth marking remains the same. Operating Steps: 1. For legacy style fittings, simply bottom the hose in the appro-priately marked cavity based on size, and scribe a T marking on the hose as shown in Figure A. The horizontal mark should be flush with the top surface of the gauge. 2. Insert the hose into the fitting., Insert the pipe through the release collar to rest against the grab ring. Push the pipe firmly with a slight twisting action until it reaches the tube stop. To ensure that the pipe is correctly inserted, check that the depth mark is within 0.005 …, For 1”, cut no more than 1.75” in length. Mark the insertion depth. On the side of the fitting marked “SLIP END,” slide the PVC pipe into the fitting until it reaches the tube stop. Place the SharkBite Disconnect Clip on the PVC pipe on the same side as the “SLIP END.”. As you are pressing the clip to release the fitting, slide the ..., on the occlusion effect. At the shallow insertion, the occlusion effects, on average, were greater by 11.2 dB(linear) (dBZ) then the deep insertion measured at 500 Hz. The effects of earplug type were mixed. At the shallow insertion, earplug type did not influence the occlusion effect., In today’s digital world, having the ability to insert a signature on a PDF document is becoming increasingly important. Whether you’re signing an important contract or simply addi..., debris. Mark the pipe to the correct insertion depth. Push: Push pipe and fitting together up to the depth mark. *Using the disconnect clip, fittings can be easily changed. Pipe Insertion Depth SharkBite Fitting Size Nominal Pipe Size Pipe OD Pipe Insertion Depth IN Pipe Insertion Depth MM 1/4 in. 1/4 in. CTS 3/8 in. 0.82 21, When it comes to enhancing the curb appeal of your home, one of the most impactful changes you can make is to upgrade your front door. And if you really want to make a statement, c..., During intubation, placing an ETT with the depth mark just below the vocal cords will theoretically position it in the mid-trachea.6 To further reduce risk, the American Academy of Pediatrics through the Neonatal Resuscitation Program7 provides guidelines for ETT insertion depth for infants up to 28 d of age. Depth guidelines were available, An optimal ETT placement should ensure sufficient distance (2–5 cm) between the tip of the ETT and the carina 3 and sufficient distance (1.5–2.5 cm) between the proximal margin of the cuff to the vocal cords. 2 4 Most ETTs for the adults have two black insertion guide marks at 2 and 4 cm above the cuff or one mark at 2–3 cm above the …, The origin of a muscle is the point at which a muscle is attached to a fixed bone, while the insertion of a muscle is the point at which a muscle is attached to a bone moved by tha..., The aim of this crossover study was to evaluate three methods for optimal insertion depth of the size (#) 2 tube in children weighing 12-25 kg. Method: In 24 children, the LT #2 was consecutively inserted by three different methods: (A) until the thick teeth mark on the tube was aligned with the upper incisors, (B) until resistance was felt ..., Always mark the insertion depth on the tubing to provide a guide to ensure you have inserted the tube properly. Step 4: Push It Push on the fitting or valve to meet the insertion depth mark… you’re done. , Are you looking to enhance the warmth and ambiance in your home? A gas fireplace insert is an excellent addition that can transform any room into a cozy retreat. When choosing a ga..., Angular Insertion Depth. Depth of electrode insertion was measured for each cochlea as the angle of the electrode centroid around the mid-modiolar axis in a cylindrical coordinate system where the mid-modiolar axis serves as the z-axis. A radial line from the mid-modiolar axis to the center of the round window was the zero-degree reference point., Mark Insertion Depth Install Fitting Karrykrimp 2 Sizes: (-8 to -12) Parkrimp 2 Sizes: (-8 to -32) SIZE DIE DIE RING CRIMP DIMENSIONS CRIMP LENGTH HOSE INSERTION DRAWING PARKRIMP 77 SERIES DIES-8 80C-CS08 85C-R02 0.940 FULL 1.36 PK77-10 80C-CS10 85C-R02 1.067 FULL 1.53 PK77, Jul 24, 2023 · The endotracheal tube (ETT) was first reliably used in the early 1900s.[1] In its simplest form, it is a tube constructed of polyvinyl chloride (PVC) that is placed between the vocal cords through the trachea to provide oxygen and inhaled gases to the lungs. It also serves to protect the lungs from contamination, such as gastric contents and blood. The advancement of the endotracheal tube has ... , Jul 24, 2023 · The endotracheal tube (ETT) was first reliably used in the early 1900s.[1] In its simplest form, it is a tube constructed of polyvinyl chloride (PVC) that is placed between the vocal cords through the trachea to provide oxygen and inhaled gases to the lungs. It also serves to protect the lungs from contamination, such as gastric contents and blood. The advancement of the endotracheal tube has ... , Depth Marking Tools Achieve leak-tight performance with a robust tube grip and vibration resistance. The remarkable dependability of the Swagelok tube fitting has been proven with over 65 years of success, and has been documented in numerous published test reports, including those performed under extreme conditions., When it comes to choosing a gas dryer for your home, size is an important factor. If you have limited space, a 27 inch depth gas dryer may be the perfect choice. Here are some tips..., In today’s digital age, signing documents electronically has become increasingly popular and convenient. Whether you are signing a contract, application form, or any other legal do..., depth overlying insertion site. Consider longer ... The 5 mm mark, closest to the hub, must be ... • Aim needle at a 90-degree angle to the bone for insertion., The treads on your tires keep you safe on the road, but only if they aren’t worn. Learn more about what constitutes a tire’s good depth, what tread depth of a new tire should be, t..., THE MARK OF QUALITY. 1 SECTION 1: THE SHARKBITE CONNECTION SYSTEM 3 1-A: Core Fittings 3 1-B: Radiant Fittings 8 ... Mark the pipe to the correct insertion depth. PUSH: Push pipe and fitting together up to the depth mark. DONE. Using the disconnect clip, fittings can be easily changed,, process you follow for insertion depth marking remains the same. Operating Steps: 1. For legacy style fittings, simply bottom the hose in the appro-priately marked cavity based on size, and scribe a T marking on the hose as shown in Figure A. The horizontal mark should be flush with the top surface of the gauge. 2. Insert the hose into the fitting., 21 Nov 2016 ... Most ETTs have a black depth marker a few centimeters above the cuff. During intubation, alignment of this with the vocal cords may be used to ..., the insertion Confirm placement before first use • Upon initial NGT insertion, check the pH is within the desired range of 1-5.5: o Aspirate 3-8 ml of gastric fluid to obtain specimen for pH with stylet in place (in neonates and smaller pediatrics, a stylet may not have been used for placement, and it may not be possible to obtain 3 mL)