Cardiovascular System and Cardiac Function notes
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This GoConqr page gathers over 60 notes on Cardiovascular System and Cardiac Function, from ECGs to blood pressure. They support university students and professional candidates practising cardiac physiology, and teachers looking for study material. The collection is mainly university-level, with some professional-level material. Pick a note to begin.
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- Blood Composition and Function88
- Heart Anatomy and Function119
- Cardiac Muscle and Contraction22
- Cardiac Conduction and ECG78
- Cardiac Cycle and Heart Sounds87
- Cardiac Output and Stroke Volume51
- Blood Vessels and Circulation57
- Hemodynamics and Blood Pressure38
- Blood Pressure Regulation44
- Cardiovascular Responses to Exercise and Diving11
- Cardiac Arrhythmias15
- Heart Valve Disease and Murmurs21
- Hypertension36
- Heart Failure35
- Atherosclerosis and Coronary Artery Disease5
Notes
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ECG and Mean Cardiac Vector 1 2 3
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Cardiovascular Physiology Functions of the cardiovascular SystemTransport and exchange of gas Carries oxygen for aerobic respiration from lungs to tissue Picks up CO2 from tissues and releases it in the lungs Transport nutrients from digestive...
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RAAS Renin-Angiotensin-Aldosterone System (RAAS) Supports SNA - boost NA release, stimulates aldosterone secretion and Na and water excretion *renin controls how active the system is (produced by juxtaglomerular cell...
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The Heart The Route of an Action Potential Step 1:SA node activation(Time = 0msec ) Step 2:Spread across atrial surfaces(Time = 50msec )
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Movement of blood PART 1 The Heart is 2 pumps Right side drives pulmonary circulation Left side drives systemic circulation Same volume of blood is handled by each side Pressure in left side of heart is greater than the right...
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Exam #2 Prep
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Valves and vessels Valves structure and function Ensure blood flows in the right direction - prevent back flow of blood. Cusps of valves are continuous in their attachment but free towards the centre of the opening. Bicuspid valve ...
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2330 Module 2: Cardiac Output (CO) (Work in Progress) Afterload - Resistance to ejection of blood from ventricles -Diastolic number on B/P cuff Atrial Systole - - Isovolumetric Contraction - Contractio...
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Blood Vessels-CH 19 Structure of Blood Vessels Lumen: blood containing space Anastomosis: union of vessels supplying blood to same body tissue Collateral circulation: if vessel has an issue, the anastomosis work together as a backu...
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Cardiovascular III The blood vesselsVein and venules compared to arteries: Thinner walls Larger diameter Closer to the skin Less muscle and elastic tissue Functions: Arteries: have lots of smooth muscle and are very elastic, they arelow...
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Week 6: Blood Blood (specialised liquid connective tissue) transports oxygen, carbon dioxide, nutrients and waste products (nutrients, end products, hormones) regulates pH controls body temp by diverting blood to or away form skin'...
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Cardiovascular System THE HEART Location, Function, and StructureThe pump that keeps blood moving through a closed circuit of blood vessels.Located between the lungs in the lower portion of the mediastinum.Is positioned In the thoracic cav...
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The Vascular Tree The cardiovascular system – the vascular tree (01/10/13 lecture) The cardiovascular system exists to perfuse tissues with sufficient blood to meet their metabolic needs (which differ and change). The heart provides th...
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Pulse Pressure Wave Velocity (07/10/13 prac) Pulse Pressure Wave Velocity (07/10/13 prac) The pulse pressure wave is the wave of pressure/volume changes that occurs down an elastic arterial blood vessel to maintain blood pressure and flow during diastole. Comple...
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The Dive Response (04/11/13 prac) The Dive Response (04/11/13 prac) The dive response enables aquatic mammals to conserve oxygen by decreasing heart rate and blood flow to the extremities. In terrestrial animals, oxygen consumption actually rises as a...
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Cardiovascular Physiology II Cardiac CycleThe heart is two pumps (left and right) that work together by using repetative contractions (systole) and relaxation (diastole) of the heart chambers. Blood moves through the circulatory system from high ...
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The measurement of blood pressure (23/09/13 prac) The measure of blood pressure (23/09/13 prac) Arterial blood pressure Sphygmomanometry is the indirect measurement of blood pressure. To do it directly would involve inserting a cannula attached to a diaphragm and tra...
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The measurement of blood pressure (23/09/13 prac) The measure of blood pressure (23/09/13 prac) Arterial blood pressure Sphygmomanometry is the indirect measurement of blood pressure. To do it directly would involve inserting a cannula attached to a diaphragm and tra...
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Hemostasis and the Heart The Heart: Basics Capillaries: pulmonary capillaries: drops off CO2 and takes in O2 from the lungs systemic capillaries: drops off O2 and takes in CO2 from the cells of the body Parts of the Heart: Heart allows b...
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ECG/Blood Pressure Practical Practical : ECG/Blood Pressure 15. Explain the physiological basis of the ECG. The heart functions as a mechanical pump by undergoing rhythmic cycles of contraction (systole) followed by relaxation (diastole). ...
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physio session 40page 78 [ch.??]vent. fun. curves[preload vs systolic performance i.e. frank starling=directly proportional][inc. contractility or dec. afterload][change in performance without a change in preload would be a ...
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Blood pressure and volume Altering flow -changing vascular resistance --vasocontriction and vasodilation -changing perfusion pressure Flow to tissues -within range of normal BPS low is altered by intrinsic mechanisms --AUTOREGULATION -t...
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CARDIAC MUSCLE SAN NODE - RMP = -55 MV ; less negative because cell mebranes of this special region is leaky to sodium and calcium ions which keep on entering the cell therby decreasing negativiity. inherent leakiness of cell toward...
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Electrical function ectopic-- out of place electrical transmission intercalated discs- enable communication of action potentials between cells --movement of ions functional syncytium-- cells act as one heart nerves mo...
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Hamad at the Cooperative - created from Mind Map Cardiovascular diseases Anatomy of the heart Conduction of the heart
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Untitled January 10, 2016 BLOOD 1. Composition AND FUNCTIONS OF BLOOD Blood is the only fluid tissue in the body Although blood appears to be a thick homogeneous liquid, the microscope reveals that it has both solid and liquid...
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Action Potentials and ECG 4 CHARACTERISTICS OF HEART TISSUE: automaticity, conductivity, refractatory, excitability TWO TYPES OF MUSCLE CELLS: Contractile Cells (Ventricular Action Potential): repolarization: going downwards on the graph ...
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Anatomy Physiology Notes Unit 1: Blood What are the subdivisions of the cardiovascular system? What is the cardiovascular system? What are the three functions of blood? What are the physical characteristics of blood (pH, temp, litres)? ...
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Physiology- The cardiovascular system Discuss the structure of veins:Veins are capacitance vessels. Hence, they have a large lumen and relatively thin tunica media when compared to arteries of the same size. The diameter of veins can vary quite drasticall...
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Untitled
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Untitled PATH OF BLOOD THROUGH HEARTBlood from systemic circuitInferior vena cavaSuperior vena cavaRight atriumTricuspid valveRight ventriclePulmonary semilunar valveRight and left pulmonary arteriesLungsPulmonary veinsLeft at...
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Case study 5 - PSA Why is a murmur apparent in Rico? Why is Rico's pulse described as bounding? How has Rico's heart resided to the situation? How will pulmonary circulation in Rico differ from normal? Can you explain these change...
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Circulatory System: Blood Functions of Blood -Transport=02,CO2, nutrient, waste, heat, hormones -Regulation=pH, body temp, water content -Protection=clotting & immunity Components of Blood -55% is plasma which includes water and solutes (inclu...
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Homeostasis Homeostasis:= a set of fast, controlled, localised responses that prevent significant blood loss when there is a breach in the vessel wall3 stages - Vascular spasm  ...
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Cardiovascular compensations PART 1 Part 2 Hypovolaemia - decreased volume of circulation blood hypovolaemic shock -- dec blood vol --not enough return to hear -lower preload -less filling -less stroke volume -hyper tension ---over ti...
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Blood Pressure SV = EDV -ESV SV- stroke volume- amount of blood ejected from the ventricle during a contraction EDV- The amount of blood volume left after relaxation and filling up of the ventricle ESV- the amount of blood of blood ...
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Circulatory shock - hypovolemia (hemorrhagic shock) - created from Mind Map Hypovolemia: means diminished blood volume due to hemorrhage Figure shows effect on CO & arterial pressure of removing blood from the circulatory system over 30 min period Reflexes protect the Cerebral & Coronary bloo...
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Myocardial Mechanics
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CV HemodynamicBP= flow * resistance Blood pressureNecessary to overcome friction and elastic forces and sustain blood flow The heart is responsible for blood pressure Blood pressure140/90 is high blood pressure High bloo...
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changes in structure and function of the cardiovascular system across the lifespan - created from Mind Map Circulatory development Change in Heart Size Change in Heart Function
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About cardiovascular system and cardiac function notes
GoConqr OriginalCardiovascular System and Cardiac Function notes
These user-made notes approach the unit from several angles. Cardiovascular Physiology covers functions including gas transport and exchange. The Heart traces the route of an action potential, while Pacemaker activity focuses on changes involved in generating that activity.
Choose a starting point
Start with Cardiovascular Physiology if you want an overview of the system’s functions. For a more focused topic, try Blood Pressure or the practical note on measuring blood pressure. The Vascular Tree offers another route into studying how blood reaches tissues.
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Read a short section, then close it and recall its main points. Reopen the note to check what you missed, and compare it with another note on the same topic. Switch to a quiz on the unit page when you want to test your recall, or use a mind map to organise connections. Choose a note and start with a topic you want to revisit.
Frequently asked questions
Which note should I start with?
Start with Cardiovascular Physiology for an overview of functions such as gas transport and exchange. If you are revising electrical activity, The Heart follows the route of an action potential. You can then use Pacemaker activity to focus on how that activity is generated.
What topics do these notes cover?
The collection includes notes on ECGs, blood pressure, the vascular tree, cardiac output and electrical function. Some focus on a particular process, such as pacemaker activity, while others cover broader topics such as cardiovascular physiology. There are also notes on valves and vessels and myocardial mechanics.
Are the notes free to use?
Yes. Every note listed here is free to open and study without an account. A free account also lets you save quiz scores and make your own quizzes, mind maps, flashcards and notes. The listed resources were made by GoConqr users, not by GoConqr.