EKG 19 Word Scramble
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Question | Answer |
ST elevation that returns to baseline with time | likely acute MI |
ST elevation without associated Q waves | likely non-Q wave infarction |
small infarct that "heralds" an impending larger infarct | non-Q wave infarction |
persistant ST elevation in most chest leads, does not resolves with time | ventricular aneurysm |
flat/slightly concave ST elevation that raises T wave from baseline, returns to baseline with time | pericarditis |
RBBB + ST elevation in V1-3 | brugada syndrome |
caused by dysfunctional Na+ channels | brugada syndrome |
responsible for 1/2 of sudden deaths in young people | brugada syndrome |
sometimes PVCs produced with ST elevation | pericarditis |
ST depression | subendocardial infarction, angina, digitalis |
involves only a small area of myocardium just under the endothelial lining | subendocardial infarction |
indicates necrosis due to MI | significant Q waves |
at least one small square wide, or one third of the entire QRS complex amplitude | significant Q waves |
omitted when looking for significant Qs | AVR |
ST elevation and/or Qs in V2-4 | anterior infarct |
ST elevation and/or Qs in V1-3 (and maybe V4) | anteroseptal infarct |
ST elevation and/or Qs in V4-6 (and maybe V2-3) | anterolateral infarct |
ST elevation and/or Qs in V1-6 | extensive anterior infarct |
ST elevation and/or Qs in V5-6 (and maybe I and/or AVL) | lateral infarct |
ST elevation and/or Qs in I & AVL | high lateral infarct |
ST elevation and/or Qs in II, III, & AVF | inferior infarct |
ST elevation and/or Qs in II, III, AVF, V5-6 | inferolateral infarct |
reversed transillumination or mirror tests | posterior infarct |
large R wave in V1 | posterior infarct, right ventricular hypertrophy |
ST depression w/large R waves in V1-2 | posterior infarct |
indicates areas of ischemia | inverted T waves |
occur very early in progression of MI | hyperacute T waves |
>10mm in V-leads, >5mm in limb leads | hyperacute T waves |
deep Q wave and T wave inversion, with no ST elevation or R | 2-3 days |
normal R, with peaked ST and hyperacute T wave | first day (within first few hrs) |
R wave lessens and ST elevation decreases, inverted T wave | first few days (or within several hours) |
ST elevation only with no significant Qs | acute STEMI |
significant Q waves with no ST elevation | age-indeterminate MI |
deep, symmetrically inverted T waves | NSTEMI or ischemia |
cardiac markers and/or gross examination of the heart differentiates | NSTEMI or ischemia |
requires order of right sided chest leads | acute inferior MI |
Created by:
drhermy
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