Wednesday, September 17, 2014

Quiz #40: EKG

EKG from a 1-day old newborn is given. Patient was consulted by NICU for "bradycardia" (~90 bpm). Clue: V1 rhythm strip provides good wave form to evaluate.

Questions:
1) What is the cause of the relative "bradycardia"?
2) Explain why A-V block is not the primary diagnosis.


(Click on the image to enlarge)

Sunday, September 7, 2014

Quiz #39: Where is the catheter?

Two sets of images (PA & Lateral views in each) taken from the same angiogram - before and during contrast injection. This patient with tricuspid atresia is undergoing pre-Glenn catheterization.

Questions:
1) Trace the catheter course.
2) In which chamber is the catheter tip?
3) Comment on the great arteries relationship (normally-related or otherwise).
4) Based on answers to above questions, what classification type of tricuspid atresia is this?

Link to the answer

(Click on the image to enlarge)








Saturday, August 30, 2014

Quiz #38: EKG: What is the rhythm diagnosis?

5-mo old with Down Syndrome. 2nd postoperative day after surgical closure of large inlet VSD.


(click on the image to enlarge)


Monday, August 18, 2014

Quiz #37: Video Quiz - Echocardiogram

Four-hours old newborn with cyanosis.
1) What do you observe?
2) Provide at least 3 differential diagnoses for this observation.

Link to the answer

Representative still image is below, just in case the video does not work.
(Click on the image to enlarge)

Sunday, August 10, 2014

Quiz #36: EKG

12-lead EKG is provided. What is the diagnosis?

Link to answer

(Click on the image to enlarge)

Sunday, August 3, 2014

Quiz #35: 12-Lead EKG

8 year old boy was referred for evaluation of chest pain. 12-lead EKG is provided. What is the EKG diagnosis?

Link to the answer

(Click on the image to enlarge)

Monday, July 28, 2014

Quiz #34: ICU - Temporary Pacemaker

Quiz # X: ICU – Temporary Pacemaker

6 month old infant s/p AV septal defect repair. 3rd postoperative day. Underlying rhythm was 3rd degree AV block & probable sinus node dysfunction. The rhythm strip was printed to evaluate the temporary pacemaker.

Questions:
1) What mode is being used?
2) Comment on the following:
a.       Is the pacemaker atrial pacing properly? (Yes/No)
b.      Is the pacemaker atrial sensing properly? (Yes/No)
c.       Is the pacemaker ventricular pacing properly? (Yes/No)

(Click on the image to enlarge)