Cardiology

Question 1

ST elevation in leads V1-V3

with

ST depressions in leads I, II, and aVF

Answer 1

acute anteroseptal infarct

Question 2

What are first line treatments for SVT?

Answer 2

vagal maneuvers and adenosine are first line treatments for SVT.

look for narrow QRS complex with a regular R-R interval.

*SVT commonly presents in a young woman with palpitations, weakness, or has a near syncopal episode.

Question 3

What do the findings on this EKG indicate?

Answer 3

this EKG demonstrates ST depressions that are classically found in digoxin toxicity.

Other signs and symptoms of digoxin toxicity include:

yellow halos around lights

N/V, anorexia, abdominal pain

confustion

Question 4

what is the most serious cardiac arrhythmia associated with hypomagnesemia?

Answer 4

Hypomagnesemia may cause a prolongation of the QT interval eventualy leading to

torsades de pontes

*other signs and symptoms associated with hypomagnesemia include: tetany, hyperreactive DTR, tremor.

**hypokalemia commonly co-exists with hypomagnesemia