MICROANATOMY

Detailed explanation-1: -Systolic blood pressure, the top number, measures the force the heart exerts on the walls of the arteries each time it beats. Diastolic blood pressure, the bottom number, measures the force the heart exerts on the walls of the arteries in between beats.

Detailed explanation-2: -The top number is the maximum pressure the heart exerts while beating (systolic pressure). The bottom number is the amount of pressure in the arteries between beats (diastolic pressure).

Detailed explanation-3: -In a blood pressure reading, the systolic number always comes first and then the diastolic number. For example, your numbers may be “120 over 80” or written as 120/80.

Detailed explanation-4: -Because the same volume of blood has to pass through a smaller area, the systolic pressure tends to rise, while the diastolic pressure remains the same or gradually falls over time.