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DSAE STEMI Review Post-test
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- The Acute Inferior STEMI is commonly accompanied with Right Ventricular STEMI and/or ______ STEMI.
The _______________ is the guidelines for diagnosing the Acute STEMI in the presence of the LBBB.CorrectIncorrect
Acute obstruction, thrombosis of the LMCA is rarely seen in the emergency unit because most patients die before arrival to the hospital.CorrectIncorrect
One criterion for diagnosing the Acute STEMI in the presence of the LBBB is that discordant ST elevation should not exceed ____% of the depth of the preceding S-wave.CorrectIncorrect
In the WPW syndrome, significantly wide Q-waves are often present especially in leads III and ____. These most often do not represent a myocardial infarction, and in fact are often referred to as a pseudoinfarction pattern.CorrectIncorrect
You will frequently encounter peaked T-waves in a given tracing. Two common causes are hyperacute Ts and hyperkalemia. To aid in the diagnosis, you should look at the T-wave base with realization of the following:
- Hyperacute Ts are characterized as broad-based
- Hyperkalemic Ts are characterized as ____-based
All of the following are often STEMI mimics except:CorrectIncorrect
A 12-lead tracing exhibits diffuse ST-segment elevation concave up. It is more likely to be a benign normal variant (early repolarization) if…CorrectIncorrect
It is 03:00 hours in the ED. You have been asked to interpret the serial tracings of a patient in the critical care unit. Your analysis reveals only one observed change:
In leads II, III, avF the T-waves are progressively taller, broad-based and the peak is round and smooth.
Conclusion regarding these observations:CorrectIncorrect
If a cardiogram demonstrates LVH, we should expect to see ST-segment elevations and depressions as follows:
- ST segment elevations Leads V1, V2, V3
- ST segment depressions Leads V4, V5, V6, I, avL
- Q-waves V1, V2
Consequently you must proceed with caution in the present of LVH especially when searching for the Anterolateral STEMI. In order to acknowledge these ST-segment and T-wave changes, we often describe the tracing as “LVH with _________ changes”.CorrectIncorrect