Social & Preventive Medicine General c55027ec Isolated systolic hypeension is defined as: A SBP>140, DBP<90 B SBP>140, DBP<80 C SBP>150, DBP<90 D SBP>150, DBP<90 High-Yield Explanation Isolated systolic hypeension is defined as systolic BP greater than 140 and diastolic BP less than 90. Ref: Park 21st edition, page 344.