Cardiac Anesthesia / Surgery

During On-Pump CABG using LIMA & RIMA , at near end of CPB, the reservoir level is very low. The loss of volume must be in

A) 1st space

B) 2nd space

C) 3rd space

D) 4th space

After repair of TOF, patient is just off CPB. The surgeon wishes to lift heart to check bleeding. The bleeding is likely from

A) cardioplegia cannulation site

B) RSPV vent

C) right atriotomy

D) RVOT patching

Which of the following is an indication of redoing LIMA –LAD distal anastomosis?

A) Pulmonary artery diastolic pressure = 20 mm of Hg

B) Gr I-II MR on TEE

C) 2 mm ST elevation in lead I

D) hypokinesia of postero-lateral segment on TEE

) Pulse oximeter cannot be used on a conventional CPB to monitor arterial saturation because of ,

a) hypothermia

B) hemodilution

C) alkalosis

D) flow is not pulsatile

On total CPB, RA & MPA are full. The measure that should NOT be taken is, to

Trans-Esophageal Echocardiography is NOT useful in assessing

a) mitral valve area

B) LVEF

C) coronary blocks

D) chamber dimensions

Swan – Ganz catheter provides information about

A) JVP

B) RA pressure

C) RVEDP

D) LVEDP

For which of the following conditions temporary epicardial pacing is required in the operation room?

A) repeated ventricular tachycardia

B) complete atrio-ventricular dissociation

C) sudden onset atrial fibrillation

D) repeated ventricular fibrillation

A surgeon wishes to insert retrograde cardioplegia cannula only after instituting CPB. During insertion of the retrograde cardioplegia cannula, perfusionist should

A) reduce arterial flows

B) cool the patient quickly

C) keep heart partly filled

D) keep the cardiotomy suctions at full speed

While delivering retrograde cardioplegia with cannula (RCC) through coronary sinus (CS), at a rate of 200ml/ min, the CS pressure is 75 mm of Hg. The cause of pressure of 75 mm of Hg is,

A) too fast delivery of cardioplegia

B) RCC is in one of the tributary of coronary sinus

C) diffuse atherosclerotic disease of coronary veins

D) CS ostial stenosis

Cardiac Anesthesia / Surgery

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