…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…

…only investigation that distinguishes obstructive from restrictive impairment of lung function, and COPD cannot be diagnosed without it . The quality of the test determines its…

…blood flow from the pulmonary vein to the left atrium is hampered. This reduces the filling of the left atrium and, accordingly, the left ventricle…

…cause: Diminished heart sounds Disappearance of the friction rub Loss of the apical impulse Electrical alternans on the ECG Compression of the left lung base