Saturday, April 26, 2014

Quiz #24: Echo: Identify the vessel

Subcostal saggital view from a newborn with multiple congenital heart defects.
Questions:
1)      Name the vessel shown by the arrow.
2)      What defect would you suspect from this observation?

Saturday, April 19, 2014

Quiz #23: Shunt Calculation

Hypothetical case: 32 year old male with VSD and Eisenmenger syndrome. Necessary data are given.
Questions:
1)      What is the overall Qp/Qs?
2)      Calculate the effective pulmonary blood flow (Qep).
3)      Calculate the amount of right to left shunt.
4)      Calculate the amount of left to right shunting.

Sunday, April 13, 2014

Quiz #22: ICU monitor interpretation

5 month old baby. Postoperative day 1 after closure of membranous VSD. Panel 1 and Panel 2 were recorded few minutes apart.
Questions:
1)      What is the arrhythmia in Panel 1?
2)      What type of pacing is done in Panel 2?
3)      Describe the important difference between the CVP waveform in Panel 1 and Panel 2. What is the reason for the difference?
4)      Comment about AV conduction in Panel 2.
5)   Why does arterial line trace have a “flat top”? How will you rectify this issue?

Link to the answer

(Click on the image to enlarge)

Saturday, April 5, 2014

Quiz #21: EKG

EKG (15-leads and Rhythm strip) is provided from a 11-yr old girl. Referred for sports clearance and family history of heart disease (Grand parents developed coronary artery disease in their 60s). Physical exam is normal.


(Click on the image to enlarge)