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18 Cards in this Set
- Front
- Back
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an increase in H+ leads to increased opening of ______ channels
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H+ sensitive K+
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KATP channels open continuously will result in more ____ than normal resting membrane
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positive
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if the ischmic tissue is closer to the electrode... ST shifts
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up
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what is the hallmark of pericarditis on EKG
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diffuse ST elevation
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Is localized spicardial injury common
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NO
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why is epicardial injury uncommon
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because subendocardium is more vulnerable to ischemia
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why don't you see reciprocal ST elevation due to ST depression
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because ST depression is due to endocard injury and this is too small to see from leads across the way
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___ turns into the PDA
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RCA
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Left main coronary turns into
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LAD
circumflex |
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anterior
lateral inferior name the arteries |
LAD
circ PDA |
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ST elevation in V1-4 where is the infarct
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LAD
anterior infarction |
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ST elevation in V5-6 where is the infarct
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lateral infart
cric |
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what leads you you see inferior wall infarct
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II
III AVF |
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where are reciprocal leads of inferior wall infarct
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V1-3
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inerior wall infarct is caused by
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PDA from the RCA
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if you see Q waves and ST elevation what might you suspect
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aneurism
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what might caused inverted Ts
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hypertrophy
ischemia drugs ice water normal variant |
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if you see a Q wave, do you need to look elsewhere for Q
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yes you need more than one lead telling you the same story
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