vital sign - sign of life; usually an indicator of a person's general physical condition; "he was still alive but his vital signs were weak"blood heat, body temperature - temperature of the body; normally 98.6 F or 37 C in humans; usually measured to obtain a quick evaluation of a person's health blood pressure - the pressure of the circulating blood against the walls of the blood vessels; results from the systole of the left ventricle of the heart; sometimes measured for a quick evaluation of a person's health; "adult blood pressure is considered normal at 120/80 where the first number is the systolic pressure and the second is the diastolic pressure" sign - (medicine) any objective evidence of the presence of a disorder or disease; "there were no signs of asphixiation" heart rate, pulse rate, pulse - the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health |