Angina/cornary/MI diseases
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1
Term for impaired blood flow to myocardium
Myocardial ischemia
2
Low oxygen in myocardium caused by imbalance in blood supply to myocardium and myocardial demands for oxygen.
Myocardial hypoxia
3
Causes of myocardial hypoxia
1 atherosclerosis
2 vasospasm
3 thrombosis
2 vasospasm
3 thrombosis
4
1 stress
2 exercise
3 cold
Causes of higher myocardial oxygen demand
1 stress
2 exercise
3 cold
5
Chest pain caused by myocardial infarction
Substernal chest pain
6
Type of chest pain. Prolonged pain at rest. May precede myocardial infarction
Unstable angina
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Pain occurs with increased demand on heart and is relieved by rest
Classic or exertion angina
8
Caused by spasms of coronary arteries at rest
Variant angina
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Triggers for angina pectoris
Physical/ emotional stress
10
Immediate treatment for angina pectoris
1 rest
2 nitroglycerin
2 nitroglycerin
11
Most common cause of obstruction of coronary artery
Atherosclerosis
12
Cause of myocardial cell death (necrosis)
Prolonged ischemia
13
Tissue that replaces necrotic myocardial cells
Scar tissue
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Does replacement tissue contract or conduct nerve impulses
No
15
Effect of myocardial infarction on contractile ability of myocardium
Reduce ability to contract
16
Does a myocardial infarction increase or decrease cardiac output
Decrease
17
Does the effect on cardiac output increase or decrease blood pressure and tissue perfusion
Decrease
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1 thrombus from atheroma
2 vasospasm
3 thrombus may break away
Name 3 events that can cause a myocardial infarction
1 thrombus from atheroma
2 vasospasm
3 thrombus may break away
19
Identify the warning signs of a myocardial infarction
Pressure, heaviness, burning in chest, SOB, weakness, fatigue, nausea, indigestion, anxiety, fear, pain, substernal, crushing, radiation
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