Cardiac defibrillator delivers a high voltage direct current shock and depolarizes a critical mass of heart muscle stopping all cardiac electrical activity.
Very high blood pressure (BP) or rapidly rising BP are treated with medications. Control of blood pressure without medication is by life style modification.
Telemetry monitoring is a type of cardiac monitoring in which a small transmitting device is attached to the person which transmits to a receiver elsewhere.
Fast heart rate may be a manifestation of pre-existing heart disease which is causing a decrease in function of heart and the increase in rate is secondary.