Ahmad Faraz, Ujala Zubair, Usama Khalid Choudry, Iram Aamir Siddiqa, Ushna Naeem, Fasih Zafar.
Interarm blood pressure; difference in young healthy medical students.
Professional Med J Jan ;23(09):1079-83.

Interarm blood pressure difference is linked to various peripheral arterial disease and thus occupies great significance in vascular medicine. Due to various physiological& pathological changes vessels suffer with hardening that produces measurable inter arm blood pressure difference. Less than one in 5 physicians is interested in measuring blood pressure in both arms. Objectives: to study the interarm blood pressure difference among medical students and its association with age, gender, BMI. Study Design: Cross-sectional study. Setting: Karachi. Period: September 2015 to November 2015. Methodology: Data was collected from 305 individuals, Blood pressure was measured by designated technician with students in sitting position with at least 5 minutes of rest, among healthy nonsmokers medical students of DUHS. Results: Mean weight of individuals was 57.4+- 12.9 kg. Mean height was found to be 164.6+-9.5 mm of Hg. Mean BMI of individuals was 21.0 +-3.78 kg/m2. Mean right arm systolic blood pressure was found to be 102.9+-13.4 mm of Hg. Mean right arm diastolic pressure was found to be 64.1+-12.8 mm of Hg. Mean left arm systolic blood pressure was found to be 101.8 +-13.0 mm of Hg. Mean left arm diastolic blood pressure was found to be 64.4+-12.9 mm of Hg. Mean interarm systolic blood pressure was found to be 7.4+-7.6 mm of Hg. Mean interarm diastolic blood pressure difference was found to be 8.6+-8.5 mm of Hg. Conclusions: Regular measurement of blood pressure in both arms and assessment of interarm blood pressure difference can lead to a new era where vascular events can be diagnosed at an earlier stage and thus treated earlier

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