A 60 year old man 24 hours post CABG is confused, oliguric, with BP 80/40, pulse 120. The most appropriate and useful investigation is

A 60 year old man 24 hours post CABG is confused, oliguric, with BP 80/40, pulse 120. The most appropriate and useful investigation is

A 60 year old man 24 hours post CABG is confused, oliguric, with BP 80/40, pulse 120. The most appropriate and useful investigation is









A. electrocardiogram
B. echocardiogram
C. chest x-ray
D. arterial blood gas
E. coronary angiogram











Answer:  B