MEDICAL INSTRUMENTATION II BLOOD PRESSURE AND SOUND

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Presentation transcript:

MEDICAL INSTRUMENTATION II BLOOD PRESSURE AND SOUND BIOMEDICAL ENGINEERING 2006200401 TAE_EUI, KIM

Blood Pressure Blood Pressure Invasive BP(IBP) Noninvasive(NBP) Tonometry Stethoscope

Tonometry Contact Area = A (measurable ) (Known)

Tonometry Blow Air Air Jet

NIBP

NIBP Wave form can be measured by IBP Cuff Pressure Systolic Pressure Pressure (mmHg) Diastolic Pressure Arterial Wave form can be measured by IBP NIBP can measure Systolic P. and Diastolic P. not Wave form.

NIBP Vessels blocked, No Wave form, Korotkoff Sound Cuff Pressure Arterial Pressure The pressure of cuff is getting loosen

NIBP HPF Output Systolic Pressure Diastolic

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