This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Underwater autopsy of the hea is done in cases of: DNB 09 
Select and explain. 
A. Myocardial infarction, B. Pulmonary embolism, C. Air embolism, D. Pneumothorax
C: Air embolism
Answer: C: Air embolism 
Explanation: Ans. Air embolism