Copyright o The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Cuff pressure Sounds loud tapping, and occluded during soft, tapping, and pen; no turbulence 工EE9 120g Sound Cuff pressure Period of turbulent Arterial pressure low through To estimate systolic and diastolic pressures, pressure is released from an inflatable cuff on the upper arm while listening as blood flow returns to the lower arm 查 DynaMed
To estimate systolic and diastolic pressures, pressure is released from an inflatable cuff on the upper arm while listening as blood flow returns to the lower arm. 查DynaMed
Classification of blood pressure for adults age 18 years and older lood Pressure classification chart Category Systolic(mm Hg) Diastolic(mm Hg) Normal Lower than 120 Lower than 80 Prehypertension 120-139 80-89 Hypertension Stage 1 140-159 90-99 Stage 2 160 or higher 100 or higher Adapted from The Seventh Report on the joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure NC 7), NIH Publication No. 03-5233, May 2003 blood pressure medicines and who are not acutely ill. If systolic and diastolic o The classification chart is based on adults, aged 18 and older, who are not taking high measurements fall into different categories, the higher category should be used to classify the person's blood pressure status
Blood Pressure Classification Chart Category Systolic (mm Hg) Diastolic (mm Hg) Normal Lower than 120 Lower than 80 Prehypertension 120 - 139 80 - 89 Hypertension Stage 1 140-159 90-99 Stage 2 160 or higher 100 or higher Adapted from The Seventh Report on the joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC 7), NIH Publication No. 03-5233, May 2003 The classification chart is based on adults, aged 18 and older, who are not taking high blood pressure medicines and who are not acutely ill. If systolic and diastolic measurements fall into different categories, the higher category should be used to classify the person's blood pressure status. Classification of blood pressure for adults age 18 years and older
Factors affecting arterial blood pressure Stroke volume Ventricular ejection Heart rate Peripheral resistance Elastic vessels Blood volume
Factors affecting arterial blood pressure • Stroke volume • Heart rate • Peripheral resistance • Elastic vessels • Blood volume Ventricular ejection
Q= PA/R Q: cardiac output (CO) R: total peripheral resistance(SVR) PA: aortic pressure(MAP) MAP MAP=co×s∨R SVR
Q= PA/R Q: cardiac output (CO) R: total peripheral resistance (SVR) PA: aortic pressure (MAP) MAP = CO SVR
MAP 3 CO s∨R Vascular 2 Anatomy HR 4 Preload Inotropy Vascular Factors Blood 5 Venous Tissue Volume Compliance Factors Renal Na+ and ho Neurohumoral Factors handling
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