In patient records, what is the first number recorded when measuring blood pressure?

When measuring blood pressure, the first number recorded is the systolic pressure. This value represents the pressure in the arteries when the heart beats and pumps blood. It is a crucial indicator of cardiovascular health and is typically the higher of the two blood pressure readings.

Systolic pressure is significant because it reflects the force exerted on the artery walls during cardiac contraction, which is essential for understanding how well the heart is functioning and how effectively blood is being circulated throughout the body. Monitoring systolic pressure helps in diagnosing and managing conditions like hypertension and heart disease.

The diastolic pressure, which is the second number, measures the pressure in the arteries when the heart is at rest between beats. Average pressure does not pertain to a specific measurement but rather is a calculated value based on systolic and diastolic readings. Pulse pressure, which is the difference between systolic and diastolic pressure, provides additional insights but is not the primary reading taken during a blood pressure assessment.

By focusing on systolic pressure as the first value, healthcare providers gain vital information about heart function and arterial health, allowing for more effective treatment decisions.