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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.
Circulatory Adaptations to Exercise
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
Chapter 11 The Cardiovascular System
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.
Regulation and Integration
Flow and a Pressure Gradient
BLOOD PRESSURE - PHYSIOLOGY ROBYN DANE AND KATY DAVIDSON.
CARDIAC OUTPUT & VENOUS RETURN
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