EKG ACS practice Flashcards
(15 cards)
When do T waves invert after the onset of an MI?
a) At onset
b) A few minutes to hours
c) A few hours to days
d) A few days to weeks
b) A few minutes to hours
T wave inversion from ischemia is typically ____________.
a) Symmetric
b) Asymmetric
a) Symmetric
T/F: J-point elevation has pathologic significance
False
STE bowed upward and merge imperceptible with the T wave is indicative of what?
a) J-point elevation
b) MI
c) Neither of the above
b) MI
T/F: J-point elevation will not change on serial ECGs
True
Brugada syndrome is a genetic condition caused by dysfunctional cardiac ____ channels
a) K+
b) Cl-
c) Na+
d) H2O
c) Na+
With acute MI, which of the following usually persists for life?
a) STE elevation
b) Reciprocal changes
c) T wave inversion
d) New Q waves
d) New Q waves
What type of MI is most often misdiagnosed?
a) Anterior
b) Lateral
c) Posterior
d) Inferior
c) Posterior
What type of MI involves the RCA or descending branch and is seen in leads II, III, & aVF?
a) Anterior
b) Lateral
c) Posterior
d) Inferior
d) Inferior
de Winter’s T waves and Wellens’ waves may indicate the occlusion of the _________ branch of the LCA
a) Anterior septal
b) Posterior septal
c) Lateral
d) Inferior
a) Anterior septal
With which of the following types of MI may you see RAD?
a) Anterior
b) Lateral
c) Posterior
d) Inferior
c) Posterior
Which has a higher risk of for further infarction and mortality? (don’t confuse with initial risk)
a) STEMIs
b) NSTEMIs
b) NSTEMIs
Takotsubo cardiomyopathy occurs most often in _______________, under extreme psychological or emotional stress?
a) Men 18-35
b) Women 18-25
c) Men >55 y/o
d) Postmenopausal women
d) Postmenopausal women
“Apical ballooning syndrome” was mentioned to potentially occur with what?
Takotsubo cardiomyopathy
Takotsubo cardiomyopathy and angina may both involve T wave inversion, but Takotsubo cardiomyopathy involves ST __________ and angina involves ST __________ (excluding Prinzmetal angina)
elevation; depression
