Cardiovascular

Blood volume: children (65-70 cc/kg); adult (80-100 cc/kg) Pre-load = end-diastolic ventricular pressure Cardiac tamponade: Beck’s triad of increased venous pressure, decreased arterial pressure, and muffled heart sounds Homan’s sign: calf pain with forcible dorsiflexion of the foot, associated with lower extremity deep venous thrombosis. Levine’s sign: clenched fist over the chest while describing chest […]