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: Medicine
Most common acute complication of dialysis is - 
Select and explain. 
A. Hypotension, B. Bleeding, C. Dementia, D. Muscle cramps
A: Hypotension
Answer: A: Hypotension 
Explanation: Hypotension is the most common acute complication of hemodialysis particularly among patients with diabetes mellitus.
Factors involved are
ÿ. Excessive ultrafiltration, with inadequate compensatory
vascular filling, impaired vasoactive or autonomic response, osmolar shis, overzealous use of anhypertensives.