…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…

…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 of 23 and obesity from 27.5, because cardiometabolic risk appears at a lower BMI. BMI is misleading in athletes with a large muscle…

…rheumatoid arthritis or scleroderma, and during treatment with pulmonary toxic drugs. Contraindications Forced expiration raises the pressure in the thorax, the abdomen, the skull and…

…Hemodynamic effects of constrictive pericarditis Diastolic heart failure and right heart failure The rigid pericardium prevents all four heart chambers from dilating adequately during diastole…

…In patients with pericarditis complicated by constriction, symptoms and signs of right sided heart failure may predominate. Pericardial effusions associated with post infarction pericarditis are…