aneroid sphygmomanometer with dial, bulb, air valve and a folded cuff, just after use to measure blood pressure in a patient with

air ambulance aneroid arterial blood bulb cardiologist cardiology cardiovascular check checkup clinic close cuff device dial disease ecg electrocardiogram emergency equipment failure folded healthcare heart hospital hypertension indoor instrument internal lie measure medicine nobody paper paramedic patient phonendoscope pressure print problem pulse result scene sphygmomanometer use valve ward