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Copyright © The McGraw-Hill Companies, Inc. + Blood Pressure 1
Copyright © The McGraw-Hill Companies, Inc. + Blood Pressure Blood pressure (BP) is the pressure or tension exerted on the arterial walls as blood pulsates through them (principal vital sign) Systolic blood pressure (SBP) – pressure exerted on the arteries during the contraction phase of the heartbeat. Diastolic blood pressure (DBP) – the resting pressure on the arteries as the heart relaxes between contractions. 2
3 Diastolic phase: heart relaxes, BP falls, heart fills with blood Systolic phase : heart contracts, BP rises, heart pumps blood out to the body
Reporting BP 4 Unit of measurement: Millimeters of mercury (mmHg) “LUB” “DUB”
Copyright © The McGraw-Hill Companies, Inc. + Blood Pressure (cont.) Classification of BP for Adults 5 CategorySystolic (mmHg) Diastolic (mmHg) Hypotension< 90<60 Normal and Prehypertension or Stage 1 Hypertension140 – 159Or Stage 2 Hypertension≥ 160or ≥ 100
Copyright © The McGraw-Hill Companies, Inc. + Blood Pressure (cont.) Sites for Blood Pressure Assessment Brachial artery – taken on the upper arm; most common site. Radial artery – taken on the lower arm; possible site for infants or clients who have very large upper arms. Popliteal artery– taken on the thigh. Dorsalis pedis and posterior tibial – taken on the lower leg. 6
Copyright © The McGraw-Hill Companies, Inc. + Blood Pressure (cont.) Equipment for Measuring Blood Pressure Blood pressure is measured using a sphygmomanometer, also called a BP cuff, or cuff. 7 Sounds like: SFIG-moh-m ə -NOM-i-ter
Copyright © The McGraw-Hill Companies, Inc. + Blood Pressure (cont.) Equipment for Measuring Blood Pressure Types of Sphygmomanometers Mercury – has a calibrated glass tube containing mercury. Aneroid – has a calibrated dial with a needle that points to numbers on the face of the dial. Electronic – uses a digital display and usually includes the pulse rate. 8 Mercury Aneroid Digital
Copyright © The McGraw-Hill Companies, Inc. + Homework: What factors affect HR & BP? Heart RateBlood Pressure
Copyright © The McGraw-Hill Companies, Inc. + Scientific Investigation Inquiry Question: Variables: Independent Variable: What will be manipulated? Dependent Variable: What will be affected? Control: What will we compare our results to? OR What will remain constant? 10
Copyright © The McGraw-Hill Companies, Inc. + Chapter 9 11
Copyright © The McGraw-Hill Companies, Inc. + Blood Pressure 1.
BLOOD PRESSURE VITAL SIGNS. BLOOD PRESSURE Measurement of the pressure the blood exerts on the arterial wall 2 types of BP measurement Systolic = pressure.
1 Hypertension 2002: An Overview. 2 Leading Risks For Death (World Health Organization 1995)
© 2009 The McGraw-Hill Companies, Inc. All rights reserved Vital Signs: Blood Pressure.
LESSON 12 – INTRODUCTION TO BLOOD PRESSURE AND CIRCULATORY SYSTEM.
General Biology lab Lab 10 Blood Pressure. Blood pressure – is the force that blood exerts against the wall of a blood vessel. It results from the force.
Blood Pressure Heart Rate What is it? The force the heart exerts against the walls of arteries as it pumps the blood out to the body The number of times.
Chapter 1 Vital Signs Copyright © The McGraw-Hill Companies, Inc.
SENSORS AND SCATTERPLOTS Introduction. BODY MASS INDEX (BMI) BMI is a number calculated from your weight and height. BMI = (weight, kg) (height, m)
Important Concepts Associated with the Measurement of Blood Pressure.
What Is Blood Pressure? Blood pressure is the force of blood pushing against the arteries. Blood is carried to all parts of your body in vessels called.
Unit 31 Sphygmomanometer Gauges. Basic Principles of Reading Sphygmomanometer Gauges A sphygmomanometer is an instrument calibrated for measuring blood.
Blood Pressure What is blood pressure? The pressure of blood against the walls of the blood vessels as it circulates around the body.
BLOOD PRESSURE OBJECTIVES DEFINE BLOOD PRESSURE –SYSTOLIC AND DIASTOLIC NORMAL RANGE OF B/P –SYSTOLIC AND DIASTOLIC SIZE AND PLACEMENT OF B/P CUFF.
Blood Pressure The measurement of the force of blood against artery walls when the heart contracts or relaxes.
Vital Signs Healthcare Science Copyright © The McGraw-Hill Companies, Inc.
Blood Pressure. What is the lub dub sound your heart makes?
Regulation of the Heartbeat Pacemaker A specific region of your heart muscle sets the rate at which your heart contracts.
VITAL SIGNS Blood Pressure Definition: the pressure the blood exerts on the walls of the arteries. Hypertension = HIGH blood pressure Hypotension = LOW.
MSC PES 1A 1 Physical Education Studies The Cardiac Cycle.
Blood Pressure. Blood pressure is the force exerted by the blood against the walls of the blood vessels. It is necessary to maintain blood flow though.
Blood Pressure. What Causes Blood Pressure? Blood is a fluid. As fluids move through a pipe there is pressure exerted on the wall of the pipe. This pressure.
Measuring Blood Pressure Blood pressure is indicates your heart health Blood pressure is indicates your heart health It is determined by the contractions.
Blood Pressure and Heart Rate Chapter 3. What is Blood Pressure The force exerted by the blood on the walls of the arteries (and veins) as the blood is.
Blood and Blood Pressure. Components of Blood Plasma – Liquid portion of blood – Contains ions, proteins, hormones Cells – ___________________________________.
Chapter 9 Vital Signs Health Care Science Technology Copyright © The McGraw-Hill Companies, Inc.
Vitals. Vitals Blood Pressure Blood Pressure Pulse Pulse Respiratory Rate Respiratory Rate Body Temperature Body Temperature.
12.2-Monitoring the Circulatory System SBI 3U1. The Cardiac Cycle systole = contraction diastole = relaxation The SA node sends out an electrical stimulus.
BLOOD PRESSURE MEASUREMENT OF THE PRESSURE THAT THE BLOOD EXERTS ON THE WALLS OF THE ARTERIES DURING THE VARIOUS STAGES OF HEART ACTIVITY. –AS THE HEART.
Blood Pressure Anatomy & Physiology. Measurement of the pressure of the blood exerted against the walls of the arteries.
Signs we are ALIVE Vital Signs. What are Vital signs? Measures of the body’s most basic functions Heart Rate Blood Pressure Temperature Respiration Rate.
Humaid Dherar Belhoul Grade 8 AB May “Blood pressure” is the force of blood pushing against the walls of the arteries as the heart pumps out blood.
The Steps of The Cardiac Cycle “The Rhythm is gonna get you”
A Presentation The Cardiovascular System. Role of the Cardiovascular System Provides the force and channels for distribution of blood. Blood carries.
12.2 Monitoring the Human Circulatory System Within the heart, the sinoatrial (SA) node (the pacemaker) stimulates.
8/04/2013 SHMD 139. Blood pressure is the pressure the blood exerts on the artery walls Blood pressure (BP) is the result of the heart contracting and.
Circulatory System 2. Blood Pressure The force of blood on walls of blood vessels Blood pressure highest in arteries and lowest in veins – A rise and.
Blood Pressure. A.Blood pressure is the force of blood against the inner walls of blood vessels anywhere in the cardiovascular system, although the term.
Higher Human Biology. Blood Pressure The force exerted by blood against the walls of the blood vessels Measured in mmHg (millimetres of mercury)
BLOOD PRESSURE This lesson meets the following DoE Specific Curriculum Outcomes for Biology 11: and
The Cardiac Cycle. 0.0 – 0.05 seconds: Atrial depolarisation: a wave of depolarisation spreads over the atria from the Sino Atrial Node initiating the.
The Circulatory System of Humans What is that ‘lub dub, lub, dub’ noise in my chest? The noise is the sound of your heart as it pumps blood.
Pulse palpation Pulse pressure The pressure felt as the blood in the artery surges through the point that has pressure applied.
The heart. The Heart Describe the role of the heart in the circulatory system. Explain the differences between arteries, veins and capillaries, by relating.
Cardiac Cycle: Series of events that constitute a complete heartbeat.
12/3/2012 SHMD 139. Blood pressure is the pressure the blood exerts on the artery walls Blood pressure (BP) is the result of the heart contracting and.
Copyright © 2011, 2007, 2003, 1999 by Mosby, Inc., an affiliate of Elsevier Inc. Chapter 31 Measuring Vital Signs.
Learning Objectives... To understand the stages of the cardiac cycle. To be able to label the different parts of the heart.
Unit – Measuring and Recording Blood Pressure.
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