Blood Pressure

The measurement of the force of blood against artery walls when the heart contracts or relaxes

How is a B/P measured?

You need a:blood pressure cuff (sphygmomanometer)Stethoscope

The BP cuff must fit the arm properlyListen for the first and last sound (Korotkoff sounds)

Korotkoff Blood Pressure Sights and Sounds on

Vimeo

Norms

Systolic pressure occurs when the Left ventricle is contracting

Normal=100-140 mmHg (millimeters mercury)Diastolic pressure is the constant pressure in the arteries when the left ventricle of the heart is at rest

Normal= 60-90 mmHg (millimeters mercury)

How it’s written

Always write the Systolic # over the Diastolic #

Ex: 120/80140/90

Abnormals

HypertensionBP greater than 140/90

HypotensionBP less than 100/60

What causes Hypotension?

Medications Level of physical fitness Hemorrhage Dehydration Standing too fast

What does Hypotension feel like?

Dizziness Light-headed Faint Blurred vision

What causes Hypertension?

Stress Anxiety Obesity High-salt intake Aging

What does Hypertension feel like?

There may be no symptoms Headache Malaise-tired feeling Ringing in the ears