…wave U wave QT (QTc) interval Pediatric and neonatal electrocardiograms differ markedly – in terms of rhythm, morphology, normal findings, normal variants, etc – from adult electrocardiograms…

…by myocardial ischemia (affecting the sinoatrial node), sinus node dysfunction or side effects of digoxin treatment. If the rhythm becomes completely regular when holding the…

…Baseline) : Reflects inhaled air devoid of CO 2 . Phase II (Rapid Expiration) : Represents the transition of air from anatomical dead space to functional alveolar space…

…BMI or percentile charts should be used. Waist circumference Measure the waist between the lowest rib and the iliac crest, at the end of expiration…

…or when the expiratory time has reached 15 seconds. In 2019 ATS/ERS removed the previous minimum requirement of 6 seconds in adults and 3…

…cardiomyopathy It is important to be able to differentiate constrictive pericarditis from restrictive cardiomyopathy, as a result of which the myocardium is rigid and imperative…

…more concerning because it may lead to cardiac tamponade or indicate another post AMI complication, including subacute rupture. Evaluation and physical examination The diagnosis of…