Please answer the following 10 questions of Quiz 3 before progressing to the final Module 4. (An 80% proficiency is required to progress to the next Module.)
DSAE Quiz 3 – STEMI Review
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The Posterior STEMI is best diagnosed by consulting with Leads ___, ____, ____.CorrectIncorrect
One of the earliest changes you might see on the ECG post total obstruction of a coronary artery is a tendency for the T-wave to become tall, symmetrical, round, broad-based. These T-waves are called _________ T-waves.CorrectIncorrect
The electrocardiogram criteria of severe stenosis of the Left Main Coronary Artery (LMCA) includes a finding in Lead avR of ST elevation > 1 mm.CorrectIncorrect
An ACS patient shows no evidence of a STEMI but the ECG is consistent with severe stenosis of the _______. The findings at the cardiac cath lab might equally reveal multi-vessel disease. Either finding places the patient as a likely candidate for CABG surgery.CorrectIncorrect
You are challenged to interpret a cardiogram as either Wide Complex SVT versus V Tach. Clues suggestive of V Tach include:CorrectIncorrect
You have been asked to show evidence of an Acute RV infarction in a given patient with ACS. You should request that the ECG technician:CorrectIncorrect
You are asked to assess a patient in the emergency unit with complaints of chest pain. Your analysis of a 12-lead ECG revealed the following abnormalities:
- Criteria is met for the LBBB
- Leads V2 and V3 shows ST-segment depression of 1.5 mm
This satisfies the Modified Sgarbossa Criteria for STEMI: True or False.CorrectIncorrect
A patient in the emergency unit has sustained a myocardial infarction with ECG changes suggestive of severe stenosis of the LMCA. You should consider withholding clopidogrel and consult with the cardiologist / CV surgeon since the patient may be a candidate for _________ surgery.CorrectIncorrect
After analyzing a 12-lead tracing you note widespread ST-segment elevation concave up and have narrowed the differential diagnosis to early repolarization or suspicious of early STEMI. Additionally you note the following:
- Lead V3 exhibits terminal QRS distortion
- Minimal ST depression in Leads III, avF
- An old cardiogram reveals that the present changes are new
- Compared to the old tracing, the anterolateral Ts are tall, peaked, broadbased
Your diagnosis is:CorrectIncorrect
LVH and LBBB are considered to be two of the greatest boobytraps of electrocardiography. They both frequently exhibit ST-segment elevation (especially in Leads V1, V2, V3) and ST-segment depression and T-wave inversion (especially in Leads V4, V5, V6, I, avL). These changes are usually chronic and non-ischemia/infarction ST-segment changes. This must be taken into account when searching for the STEMI.
If the LBBB is present, the criteria used to make the STEMI diagnosis is _______________.CorrectIncorrect