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Basic ECG interpretation Exam Review Solution 100% Accurate
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Basic ECG interpretation Exam Review Solution 100% Accurate
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Basic ECG Interpretation Review QuestionsBasic ECG
Interpretation Review
Questions
1/7
, Basic ECG Interpretation Review Questions
1. What is cardiac output?: Amount of blood pumped by the left ventricle in 1
minute (contraction)
2. What is the normal cardiac output?: 4 to 8 Liters
3. What is Stroke Volume?: Amount of blood pumped by the left ventricle with
each heart beat
4. What is the normal Stroke Volume in ml?: About 70 ml
5. What is the significance of heart rate?: Number of times the left ventricle
contracts in 1 minute
6. What is the normal heart rate?: 60-100 Bpm
7. What is the calculation for Cardiac Output?: SV x HR= CO
8. What does Automaticity mean?: Cardiac cells are able to generate their own
electrical impulses
9. What does Excitability mean?: Also known as "Irritability" Cardiac cells are
able to respond to electrical stimulus
Example: if a cardiac cell is very highly irritable takes less stimulus to respond
10. What does conductivity mean?: Cardiac cell is able to transmit an
electrical stimulus to another cardiac cell
11. What does contractility mean?: Abillity of cardiac cell to shorten causing
the muscle to contract in response to electrical stimulus
12. What does depolarization mean?: Conduction of an electrical impulse
through the heart muscle; normally causes a cardiac contraction
13. What does repolarization mean?: Cardiac recovery phase; the cells are
returning to the ready state
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