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Blood Pressure Theory and Technique

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by

Tadashi Miya

on 6 July 2013

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Transcript of Blood Pressure Theory and Technique

Blood Pressure
Physiology
Technique
Latent Pressure
Heart Contraction
Diastolic Pressure
Systolic Pressure
systolic
diastolic
"constant"
volume control
blood v. vessel
transient
cardiac output
Hypertension
Normal
Stage I
Stage II
140 - 159 mmHg
>159 mmHg
90-99 mmHg
>99 mmHg
<140 mmHg
<90 mmHg
Stroke
Coronary Artery Disease
Renal Disease
+Type II Diabetes (insulin resistance)
+Dyslipidemia
+Obesity
= "Metabolic Syndrome"
Hypertension
Cuff
Korotkoff Sounds = turbulence
Cuff Pressure
systole
diastole
Systole
Diastole
"Under Pressure"
cuff v. body
Body Positioning
Seated and relaxed
Back Supported
Feet flat
Legs uncrossed
Location: Quiet and Free of distraction
Remove constrictive clothing
Place cuff directly on skin
2 cm above the elbow flexure
Place cuff at heart level
Cuff Sizing and Placement
Size cuff
2 cm
bladder length is > 80% of arm circumference
Heart Level
Correcting for Auscultatory Gap
Palpate radial pulse
Inflate cuff until the pulse is occluded
note the pressure (mmHg)
Deflate cuff
Measuring Blood Pressure
Re-inflate cuff to 30 mmHg higher than noted pressure taken from occluded pulse
Place
bell
of stethoscope between the cuff and elbow flexure over brachial artery
Deflate cuff no faster than 2 mmHg per second
Record the pressure upon hearing the first korotkoff sound (nearest even integer)
Record pressure upon cessation of korotkoff sounds (nearest even integer)
Continue to decrease pressure for 20 mmHg more to ensure no additional sounds present
Deflate the cuff
Pressure in cuff
Blood Pressure
Korotkoff Sounds
Systolic
Blood Pressure
Diastolic
Blood Pressure
Repeat on contralateral arm 1 min later
Provide patient their results
Measure with your EARS
NOT
the
"bouncing needle"!!!
Full transcript