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.

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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?

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

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

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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.

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Representative still image is below, just in case the video does not work.

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Quiz #36: EKG

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

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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?

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Quiz #34: ICU - Temporary Pacemaker

Quiz # X: ICU – Temporary Pacemaker

6 month old infant s/p AV septal defect repair. 3^rd postoperative day. Underlying rhythm was 3^rd 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)

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Link to answer