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GLOSSARY
Angina: Angina pectoris. Severe, restricting chest pain with sensations of suffocation caused by temporary reduction of oxygen to the heart muscle through narrowed diseased coronary arteries.
Arrhythmia: A condition caused by variation in the regular rhythm of the heartbeat. Arrhythmias may cause serious conditions such as shock and congestive heart failure, or even death.
Congestive: Pertaining to accumulation of blood or fluid within a vessel or organ.