Lecture videos on topics including the cardiac cycle, ECG, regulation of blood flow, cardiac output, capillary filtration, and cardiovascular disease.
How blood pressure is regulated, hormones that regulate blood pressure, and factors that increase risk of cardiovascular disease/ atherosclerosis including blood cholesterol, abdominal obesity, diabetes and stress. https://youtu.be/3_J8IAGgNu0 Time Stamps Negative feedback 0:19 Receptors that detect blood pressure 1:26 Effectors that regulate blood pressure 2:54 Hormones that affect blood pressure 6:09 Atherosclerosis 8:34 LDLs and …
A comparison of factors that affect overall blood pressure and how flow and pressure is affected in specific tissues by vascular resistance. https://youtu.be/lCarGoNw4Ds Time Stamps Changes in pressure in various vessels 0:35 Measuring blood pressure 1:57 Two main factors that affect overall blood pressure 3:45 Vascular resistance affected by vessel diameter 4:57 Healthy resting vs …
This video describes the general characteristics of various blood vessels and how to calculate capillary net filtration pressure. https://youtu.be/Myy5h8PGZ-Q Time Stamps Veins are capacitance vessels 0:40 Walls of arteries and veins 1:38 Arteries where you feel a pulse 2:54 Compliance and recoil 3:22 Pressure and surface area in various vessels 4:04 Capillary bed sphincters 8:26 …
This video describes how to calculate cardiac output and the factors that affect it, including HR, SV, preload, and afterload. https://youtu.be/EksYhsYIxvM Time Stamps End diastolic volume and stroke volume 0:11 Calculate Cardiac output 0:44 Heart Rate – impact on CO 1:47 Max heart rate 3:09 EDV – Frank-Starling law 5:02 Preload 6:56 Skeletal pump/ respiratory …
This video describes the electrical events that occur in the heart, pacemaker potential, ANS regulation, and comparison to the cardiac cycle. Time Stamps Contractile, excitable, and conducting cells 0:04 Quick review of Action potential in a neuron 1:36 Pacemaker potential and SA node action potential 3:34 Electrical conduction through the heart 6:08 ECG 9:58 How …
This video describes the external and internal structures of the heart and the order of events in one cardiac cycle. https://youtu.be/Ga0dhitcrB8 Time Stamps Heart is in the thoracic cavity 0:11 External Cardiac Anatomy 0:34 Coronary blood flow 2:18 Blood flow is in parallel circuits 3:05 Layers of the cardiac wall 4:02 AV valves and the …
This video describes the systemic and pulmonary circulatory routes, functions of the cardiovascular system, and cardiac muscle tissue. https://youtu.be/nKuzzeCFXWc Time Stamps Functions – Transportation 0:15 Functions – Regulation 1:29 Functions – Protection 2:28 Systemic and pulmonary circuits 2:56 Arteries and Veins 6:31 Components of the blood 7:43 Cardiac muscle tissue 8:20 Intercalated discs 11:45 Autorhythmicity …
