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REGULATION OF BLOOD PRESSURE
Mean Arterial Blood PressureMABP = CO x TPR Mean Arterial Blood Pressure = Cardiac Output = Total Peripheral Resistance =
Cardiac Output CO = HR x SV Heart Rate = Stroke Volume =
Branched Blood Vessel
Mean Arterial Blood PressureMABP = DP + 1/3(PP) Diastolic Pressure = Systolic Pressure = Pulse Pressure =
Vasodilation & Vasoconstriction
VR = BV/VC Venous Return Venous Return = Blood Volume =Venous Compliance =
Stroke Volume SV = EDV – ESVEnd-Systolic Volume = End-Diastolic Volume =
Frank-Starling Law The Frank-Starling Mechanism states that the greater the volume of blood entering the heart during diastole, the greater the volume of blood ejected during systolic contraction. Frank-Starling Law =
Response to Decreased MABP 1. Venoconstriction 2Response to Decreased MABP 1. Venoconstriction 2. Increased Contractibility 3. Increased Heart Rate 4. Vasoconstriction
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Ventricular Pressure-Volume Loops
Week 6 – Exercise Physiology Gen Bio II. Homeostasis Maintenance of a relatively steady physiological state Maintenance of a relatively steady physiological.
Heart Rate, Blood Pressure, and Exercise. Blood Pressure Made up of two numbers: –systolic blood pressure –diastolic blood pressure. Written as: Systolic/Diastolic.
Cardiac Output Prof. K. Sivapalan 2013 Cardiac output.
Dr. Khurram Irshad. Cardiac Output “Amount of blood pumped out by each ventricle in each minute” Cardiac Output = Stroke volume X H.R.
Cardiac Output – amount of blood pumped from the ventricles in one minute Stroke Volume – amount of blood pumped from the heart in one ventricular contraction.
Cardiac Output: And Influencing Factors. Cardiac Output Amount of blood pumped out by each ventricle in 1 min CO = HR x SV.
Important Concepts Associated with the Measurement of Blood Pressure.
By the end of this lecture the students are expected to: Define cardiac output, stroke volume, end- diastolic and end-systolic volumes. Define physiological.
Ventricular Pressure loop
Blood Pressure Keeps blood moving through the body (even during diastole) Blood flows from areas of high pressure (arteries) to low pressure (veins) –
First, finish the material from last week…. In skeletal muscle, a higher frequency of action potentials leads to a greater amount of tension Figure 2.
Circulatory Responses. Purpose transport oxygen to tissues transport of nutrients to tissues removal of wastes regulation of body temperature.
Flow and a Pressure Gradient
BLOOD PRESSURE - PHYSIOLOGY ROBYN DANE AND KATY DAVIDSON.
بـسـم الله الرحـمن الرحـيم. Cardiovascular Physiology Arterial Blood Pressure.
OCT 2009Dr Nyoman W / Dr DENNY AGUSTININGSIH1 THE CARDIAC CYCLE What is the cardiac cycle. The cardiac cycle is the sequence of events that occur when.
Cardiac Output When the heart contracts Cardiac Vocabulary Contractility: Contractility is the intrinsic ability of cardiac muscle to develop force for.
2013 Cardiac output 1 Cardiac Output Prof. K. Sivapalan.
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