i. Body temperature between 35.0-37.5°C ii. Systolic blood pressure, 90-150 mmHg iii. Diastolic blood pressure, 60-90 mmHg iv. Pulse rate, 40-99 beats per minute Blood pressure and pulse rate will be taken again in a standing position. After two minutes standing, there shall be no more than a 20 mmHg drop in systolic or 10 mmHg drop in diastolic blood pressure, associated with clinical manifestation of postural hypotension.