QuestionSBA
QuestionChoice
The ECG changes shown in the question correspond to the left anterior descending artery, not the right marginal artery.
10007595
e
Right marginal artery
QuestionChoice
An occlusion in the left circumflex artery would cause changes in leads I and aVL.
10007592
b
Left Circumflex
QuestionChoice
The right coronary artery corresponds to leads II, III and aVF.
10007593
c
Right coronary artery
QuestionChoice
The proximal left anterior descending artery would cause changed in leads V1-6 as well as leads I and AVL.
10007594
d
Proximal left anterior descending
QuestionChoice
The ECG changes shown in this question (V1-V4) correspond to the left anterior descending artery, therefore making this the correct answer.
10007591
a
Left Anterior Descending
Concept
Chapter
2693
3713
Myocardial infarction and Acute Coronary Syndrome (ACS)
Topic
134
Cardiology
14065
A 50-year-old female presents to the emergency department with central crushing chest pain that began one hour ago. An ECG shows ST elevation in leads V1-4.

In which of the following coronary arteries is the most likely site of occlusion?
a