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10 Cards in this Set
- Front
- Back
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cardiac intercalated discks made of?
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fascia adherens and desmosomes (macula adherens)
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action potential pattern for cardiac pacemaker?
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ph 0--slow upstroke, calcium channel opening; ph3--gradual repolarization from closed Ca channels, open K+ channels; ph4--slow leak of Na until enough of depolarization--> ph0
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first choice antiHTN drug for preggers?
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methyldopa (decreases sympathetic outflow)
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alternatives to aspirin for stroke prophylaxis
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ADP inhibitors: ticlopidine, clopidogrel
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when does developing fetus start making its blood in bone marrow?
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~wk 28 (wk3--yolk sac; wks 7~30 liver; wks9-28 spleen)
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cardiovascular structures and blood derived from?
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mesoderm
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how close PDA medically?
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indomethacin (PG E can keep it open--would want in transposition of great vessels)
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pheochromocytoma treatment?
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alpha antags (phenoxybenzamine)
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most common cardiac malformation in Downs
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septum primum (ASD defect due to endocardial cushion abnl)
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single umbilical artery assoc'd with?
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(should be 2); congenital and chromosoma abnl
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