Term
what causes the heart to 'ache'? (angina) |
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Definition
when o2 and nutrients in blood is insufficient
increase blood flow to fix this issue. |
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Term
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Definition
when heart doesn't receive enough o2 |
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Term
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Definition
fat in arterial walls - leads to CAD which may lead to MI |
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Term
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Definition
heart attack necrosis/death of cardiac tissue -O2 needs stat attention |
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Term
what is the primary cause of chronic stable angina? |
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Definition
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Term
what is an early sign of coronary artery disease? |
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Definition
unstable angina -leads to MI |
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Term
when does vasospastic angina occur? |
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Definition
@ rest no primary cause decrease demand, increase supply |
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Term
what should you do at first sing of chest pain? |
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Definition
sit lie down rest that way your heard doesn't demand as much O2 |
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Term
which form/route of nitrate drugs bypass the liver and 1st pass effects? |
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Definition
sublingual IV patches sprays |
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Term
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Definition
angina tx multiple routes cause vasodilation blood flows to ischemic area to increase O2 long acting forms are angina prevention |
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Term
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Definition
Nitroglycerin isoorbide dinitrate isosorbid mononitrate |
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Term
adverse effects of nitrates |
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Definition
headache reflex tachycardia postural hypotensions tolerance -may need nitrate free period (to avoid tolerance) |
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Term
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Definition
severe anemia hypotension head injury if pt uses ED drugs |
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Term
what can beta-blockers treat |
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Definition
angina MI hypertension dysrhythmias
*off label-migraines |
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Term
what is the common suffix for beta blocker meds |
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Definition
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Term
how do beta blockers work? |
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Definition
block beta 1 heart receptors decrease hr decreas myocardial O2 demand increase O2 to heart decrease demand
*improve survival after MI |
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Term
when should beta blockers not be used? |
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Definition
systolic HF conduction disturbances bronchial asthma DM PVD- peripheral/vascular diesease |
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Term
what can beta blockers cause |
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Definition
bradycardia increase, decrease blood sugar wheezing dizzy fatigue |
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Term
what do calcium channel blockers do? |
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Definition
coronary/artery vasodilation peripheral arterial " decrease heart workload decrease O2 demand |
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Term
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Definition
angina hypertension migraines Raynaud's |
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Term
when should CCB nto be used |
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Definition
acute MI AV block - 2nd/3rd degree hypotension |
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Term
what side effect do CCB have? |
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Definition
*limited hypotension palpitations tachycardia bradycardia constipation nausea dyspnea |
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