This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
Diagnostic criteria for SIRS include all except: 
Select and explain. 
A. Hypotension, B. Tachycardia, C. Tachypnoea, D. Leucocytosis
A: Hypotension
Answer: A: Hypotension 
Explanation: Systemic inflammatory response syndrome (SIRS):Two or more of the following conditionsFever (oral temperature >38 deg C) or hypothermia (<36 deg C)Tachypnea (>24 breaths/min)Tachycardia (hea rate >90/min)Leukocytosis (>12000/micro L), leucopenia (<4000/micro L), or >10% bands(ref:Harrison's 18/e p2223, table 271-1)