Term
A Q wave in leads V1-V4 indicate an MI in what artery and what part of the heart? |
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Definition
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Term
A Q wave in leads V1-V2 indicate an MI in what artery and what part of the heart? |
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Definition
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Term
A Q wave in leads V4-V6 indicate an MI in what artery and what part of the heart? |
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Definition
Left circumflex
Anterolateral wall |
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Term
A Q wave in leads I and aVL indicate an MI in what artery and what part of the heart? |
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Definition
Left circumflex
Lateral wall |
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Term
A Q wave in leads II, III, and aVF indicate an MI in what artery and what part of the heart? |
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Definition
Right coronary artery
Inferior wall |
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Term
When can postinfarction fibrinous pericarditis occur? |
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Definition
3-5 days post MI
(hear a friction rub) |
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Term
What is Dressler's syndrome and when does it occur? |
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Definition
Autoimmune fibrinous pericarditis several weeks after an MI |
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Term
Name 2 infections that can cause dilated cardiomyopathy |
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Definition
Coxsackie B virus
Chagas' disease |
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Term
Name 3 drugs that can cause dilated cardiomyopathy |
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Definition
Alcohol abuse
Cocaine abuse
Doxorubicin toxicity (chemo drug) |
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Term
What kind of cardiomyopathy can hemochromatosis cause? |
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Definition
dilated or restrictive cardiomyopathy |
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Term
What kind of cardiomyopathy can thiamine deficiency cause? |
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Definition
dilated cardiomyopathy
(via wet beriberi, thiamine= Vit. B1) |
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Term
What kind of murmur is heard in dilated cardiomyopathy vs. hypertrophic cardiomyopathy? |
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Definition
Dilated: S3
Hypertrophic: S4 |
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Term
What type of hypertrophy occurs in dilated vs. hypertrophic cardiomyopathy? |
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Definition
Dilated= eccentric hypertrophy (sarcomeres added in series)
Hypertrophic= concentric (sarcomeres added in parallel) |
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Term
What causes the outflow obstruction in hypertrophic cardiomyopathy? |
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Definition
Big IV septum is too close to mitral valve leaflets |
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Term
What are the histo findings in hypertrophic cardiomyopathy? |
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Definition
Disoriented, tangled, hypertrophic myocardial fibers |
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Term
2 drugs to treat hypertrophic cardiomyopathies |
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Definition
β-blocker
Ca2+ channel blocker |
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Term
5 Causes of restrictive cardiomyopathy |
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Definition
Amyloidosis
Postradiation fibrosis
Endocardial fibroelastosis (kids)
Löffler's syndrome
Hemochromatosis (can also cause dilated cardiomyopathy) |
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Term
What cardiac abnormalities are seen in Löffler's syndrome? |
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Definition
Restrictive cardiomyopathy:
endomyocardial fibrosis with a prominent eosinophilic infiltrate
(Löffler's syndrome= pulmonary eosinophilia that can be in response to parasites or pharmaceuticals) |
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Term
4 drugs that reduce mortality in CHF |
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Definition
ACE inhibitors
β-blockers
Angiotensin receptor antagonists
Spironolactone |
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Term
3 drugs that are used to treat symptoms in CHF but do NOT reduce mortality |
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Definition
Thiazide diuretics
Loop diuretics
Nitrates |
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