Severe HTN cut off is

Ans. D >170 mm HgRef: Harrison's, 19th ed. pg. 1616Guidelines for threshold values between normal and high blood pressure Clinic measurement (mm Hg)Home measurement (mm Hg)Optimal control<140/85<130/80Mild hypertension140-150/90-100135-145/85-95Moderate hypertension150-170/100-110145-165/95-105Severe hypertension>170/110>165/105The question mentioned was severe hypertension, however if the grading of hypertension is asked, then answer must be according to this table:BP classificationSystolic mm HgDiastolic, mm HgNormal<120and <80Pre-hypertension120-129<80Stage 1 HTN130-13980-89Stage II HTN>140>90Isolated systolic HTN>140and <90