efine the following medical terms from the cardiovascular system: Sinoatrial node, myocardium, sphygmomanometer, phlebotomy.

1. Define the following medical terms from the cardiovascular system:

Sinoatrial node, myocardium, sphygmomanometer, phlebotomy.

2. Bradycardia, Tetralogy of Fallot, coronary artery disease and aneurysm are four pathological conditions of the cardiovascular system. Define each one and briefly explain signs, symptoms, diagnosis and treatment.