…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…

Arrhythmias and arrhythmology ECG Definition of sinus arrhythmia (respiratory sinus arrhythmia) Sinus arrhythmia and respiratory sinus arrhythmia both refer to the same phenomenon. Sinus arrhythmia…

…of expiration. It provides an integrated view of ventilation , metabolism , and perfusion . Carbon dioxide, a byproduct of aerobic metabolism, is transported from the tissues back…

…lowest rib and the iliac crest, at the end of expiration, with the tape horizontal and without compressing the skin. Ratios and other measurements Measurement…

…Assessment of pulmonary involvement in systemic disease, for example rheumatoid arthritis or scleroderma, and during treatment with pulmonary toxic drugs. Contraindications Forced expiration raises the…

…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…

…encompasses two temporally and clinically distinct complications of acute myocardial infarction (AMI): Early infarct associated pericarditis , which develops from several hours to approximately 4 days…