What are the primary methods of confirming endotracheal tube placement within the trachea NRP 8th edition?

Search strategy for MEDLINE/PubMed Limits activated: Humans, Clinical Trial, Randomized Controlled Trial, Clinical Trial, Phase I, Clinical Trial, Phase II, Clinical Trial, Phase III, Clinical Trial, Phase IV, Controlled Clinical Trial, All Infant: birth‐23 months, All Child: 0‐18 years, Newborn: birth‐1 month, Infant: 1‐23 months, Publication Date from 1996/01/01 to 2014/06/16 #1 MeSH descriptor Infant explode all trees (Result: 43,939) #2 MeSH descriptor Newborn explode all trees (Result: 20,929) #3 MeSH descriptor Endotracheal Intubation explode all trees (Result: 15489) #4 (#1 OR #2) AND #3 (Result: 594) #5 MeSH descriptor Respiratory Function Tests explode all trees (Result: 7,041) #6 MeSH descriptor Monitoring, Physiologic explode all trees (Result:3,222) #7 MeSH descriptor Signs and Symptoms, Respiratory all trees (Result:1,953 ) #8 MeSH descriptor Respiratory Sounds all trees (Result: 479) #9 MeSH descriptor Radiography all trees (Result: 6,045) #10 MeSH descriptor X‐ray tube placement all trees (Result: 22)

#11 MeSH descriptor Ultrasonography explode all trees (Result: 4,050) #12 (((((#4) AND #5) AND #6) AND #7) AND #8) AND #9 AND #10 AND #11 (Result: 0) #13 (#12 AND #13) (Result: 0)

Search strategy for EMBASE Limits activated: ([controlled clinical trial]/lim OR [randomized controlled trial]/lim) AND ([newborn]/lim OR [infant]/lim OR [child]/lim) AND [humans]/lim AND [1980‐2014]/py #1 'infant'/exp OR infant (Result: 12,834) #2 'newborn'/exp OR newborn (Result: 4,453) #3 'Endotracheal Intubation.mp. or exp endotracheal intubation (Result:51) #4 (#1 OR #2) AND #3 (Result: 2) #5 Respiratory Function Tests.mp. or exp lung function test (Result: 2) #6 Monitoring, Physiologic.mp. or exp monitoring (Result: 5) #7 Signs and Symptoms, Respiratory (Result: 0) #8 Respiratory Sounds.mp. or exp abnormal respiratory sound (Result: 570) #9 Radiography.mp. or exp radiography/ or exp thorax radiography (Result: 1730) #10 exp tube/ or exp thorax radiography/ or X‐ray tube placement.mp. or exp endotracheal intubation (Result:6,326)

#11 Ultrasonography.mp (Result: 35) #12 (((((#4) AND #5) AND #6) AND #7) AND #8) AND #9 #10 AND #11 (Result: 0 #13 (#12 AND #13) (Result: 0)

Search strategy for CINAHL Limits activated: Human, 01/1980 ‐ 06/2014, Infant, Newborn: birth ‐ 1 month, randomized control trial S1 (MH “Infant”) (Result: 619) S2 (MH “Newborn”) (Result: 1,157) S3 (MH “Endotracheal Intubation”) (Results7) S4 (S1 or S2) AND S3 (Result: 1,158) S5 (MH “Respiratory Function Tests”) (Result:18) S6 (MH “Monitoring, Physiologic”) (Result:18) S7 (MH "Signs and Symptoms, Respiratory") (Result: 4) S8 (MH "Respiratory Sounds") (Result: 10) S9 (MH "Radiography") (Result: 12) S10 (MH "X‐ray tube placement") (Result: 5) S11 (MH "Ultrasonography") (Result: 38)

S12 S4 and S6 AND S7 AND S8 AND S9 AND S10 (Result: 0 S13 S12 and S13 (Result: 377)

Search strategy for CENTRAL, The Cochrane Library #1 MeSH descriptor Infant explode all trees (Result: 14,733) #2 MeSH descriptor Newborn explode all trees (Result: 10,589) #3 MeSH descriptor Endotracheal Intubation explode all trees (Result:2,755) #4 (#1 OR #2) AND #3 (Result: 305) #5 MeSH descriptor Respiratory Function Tests explode all trees (Result: 2,926) #6 MeSH descriptor Monitoring, Physiologic explode all trees (Result: 1,673) #7 MeSH descriptor Signs and Symptoms, Respiratory all trees (Result: 7) #8 MeSH descriptor Respiratory Sounds all trees (Result: 288) #9 MeSH descriptor Radiography all trees (Result: 89) #10 MeSH descriptor X‐ray tube placement all trees (Result: 50)

#11 MeSH descriptor Ultrasonography explode all trees (Result: 656) #12 (((((#4) AND #5) AND #6) AND #7) AND #8) AND #9 (Result: 0) #13 (#12 AND #13) (Result: 0)

Search strategy for International Clinical Trial Registry Platform (http://who.int/ictrp) #1 Newborn AND Endotracheal Intubation AND Respiratory Function Tests AND x‐ray AND tube placement ‐ Result: 0 #2 Infant AND Endotracheal Intubation AND Respiratory Function Tests AND x‐ray AND tube placement‐ Result: 0 #3 Newborn AND Endotracheal Intubation AND Respiratory Function Tests AND x‐ray AND tube placement AND physiologic Monitoring ‐ Result: 0 #4 Infant AND Endotracheal Intubation AND Respiratory Function Tests AND x‐ray AND tube placement AND physiologic Monitoring ‐ Result:10

Search strategy for http://clinicaltrials.gov/ #1 Newborn AND Endotracheal Intubation AND Respiratory Function Tests AND x‐ray AND tube placement ‐ Result: 0 #2 Infant AND Endotracheal Intubation AND Respiratory Function Tests AND x‐ray AND tube placement‐ Result: 0 #3 Newborn AND Endotracheal Intubation AND Respiratory Function Tests AND x‐ray AND tube placement AND physiologic Monitoring ‐ Result: 0 #4 Infant AND Endotracheal Intubation AND Respiratory Function Tests AND x‐ray AND tube placement AND physiologic Monitoring ‐ Result:10