1. Survey Type: Cross-sectional study.
2. Target Population: Patients undergoing hemodialysis.
3. Sample Size: The target sample size are all hypertensive patients in Sohag university hospital dialysis unit
4. Survey Method: person to person interview in dialysis units will be used for data collection.
Blood pressure calculated by taking the average of three consecutive days
* 1st day (Dialysis Day): - Blood pressure will be measured (pre dialysis, inter dialysis, post dialysis).
* 2nd day (Inter Dialytic Day): - Blood pressure will be measured two times (AM, PM).
* 3rd day (Dialysis Day): - Blood pressure will be measured (pre dialysis, inter dialysis, post dialysis).
