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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Quiz #33: ICU Arterial line traces

Quiz #33: ICU Arterial line Traces

13-year old patient who underwent repair of coarctation of aorta earlier that day has two arterial lines – right radial & left femoral. The apparent peak to peak pressure gradient across the coarctation repair site is 37 mmHg.

Question: Based on the traces in each arterial line, is the pressure gradient higher than, lower than or equal to 37 mmHg? Why?

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Quiz #31: RA line trace

This RA trace was recorded in cath lab, under endotracheal general anesthesia.

Question: Which wave is the taller one, a wave or v wave?

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Quiz #30: EKG - Arrhythmia

13-year old girl was transferred to Pediatric ICU for atrial flutter. She is obtunded and has muscle tremors. Suspected to have developed encephalopathy as part of a systemic vasculitis. Figure 1 is an strip from floor with EKG and pulse oximeter trace. Figure 2 is an apical 4-chamber view with Doppler trace of mitral/aortic valve flows.

Questions:
1) What is the diagnosis?
2) How will you manage?

Link to the answer

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