EMT FISDAP Cardiology Exam
Study Guide ( UPDATED 2023 )
1. Sinoatrial node - what is and where:
natural pacemaker of the heart, superior right atrium, generates signals and is regulated by CNS
2. Atrioventricular node:
divides right atrium/ventricle, carries signal between
3. Bundle of HIS:
Transmission impulses from AV node to ventricles
4. Left bundle branch:
Left division of bundle of HIS
5. Right bundle branch:
Left division of bundle of HIS
6. Sympathetic nervous system:
fight or flight system, adjusts body for increased physical activity
7. Parasympathetic nervous system:
Opposite of sympathetic, can slow heart and respiratory rate
8. Myocardium:
Heart muscle
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9. Stroke volume:
Amount of volume ejected per ventricular contraction
10. perfusion:
constant flow of oxygenated blood to the tissue
11. Atherosclerosis:
calcium/cholesterol occlude or cause a collusion (block) in a coronary artery
12. acute myocardial infarction:
Blockage in a coronary artery, subsequent death of myocardial tissues, like a long term angina
13. ischemia:
decreased blood flow to an organ
14. infarction:
death of tissue
15. cardiac arrest:
complete stopping of heart activity
16. components of circulatory system:
heart, blood vessels, blood
17. Acute coronary syndrome:
a group of symptoms caused by myocardial is- chemia, can be myocardial infarction or angina
18. Angina pectoris:
Temporary chest pain from lack of oxygen to heart
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