Effects of Sudden and Prolonged Standing from Supine Posture on Heart Rate, ECG-pattern and Blood Pressure

Arterial blood pressure, heart rate and electrocardiogram were recorded in the supine posture after sudden standing and at 2 min-intervals over a period of 20 min in the standing posture in 31 healthy male and 32 healthy female subjects within the age range of 20 to 30 years