Hypertension | Blood Pressure | Part 1/4

#hypertension #bloodpressure

Hypertension | Blood Pressure | Part 1/4

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▬▬▬▬▬▬▬▬▬▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬

1. Normal Systolic and Diastolic Blood Pressures (0:00-0:39)
2. Systolic (SBP) and Diastolic Blood Pressure (DBP); relationship with Cardiac Output (CO) and Total Peripheral Resistance (TPR) respectively. (0:40-1:43)
3. SBP’s direct proportionality with CO. (1:44-6:06)
4. Defining DBP. (6:07-8:57)
5. DBP’s direct proportionality with TPR. (8:58-11:10)
6. Effect of arterioloconstrictors and arteriolodilators on TPR and by extension DBP. Altering SBP by controlling CO. (11:11-13:10)
7. Explanation and calculation of Mean Arterial Pressure (MAP); Mean Systemic Blood Pressure (13:20-22:25)
8. Cardiac Output (CO) = Stroke Volume and Heart Rate. Factors influencing Stroke Volume (e.g., Preload, Contractility, Afterload. (23:18-28:47)
9. Venous Return; Preload, factors influencing it i.e., Ventricular Filling Pressure, Filling Time. (28:48-33:17)
10. Contractility and Afterload and how they affect Preload. (33:18-35:45)
11. Total Peripheral Resistance (TPR); contribution to Blood Pressure through changes in DBP; concepts of stressed and unstressed volumes and effect of vasodilation/arteriolodilation and Venoconstriction/Arterioloconstriction. (35:47-40:30)
12. M.A.P = CO into TPR; Cardiac Output and Total Peripheral Resistance as interdependent variables (and not independent); i.e., if one increases the other decreases and vice versa. (40:36-42:58)
13. Short term (Rapid) and long-term regulation of BP; i.e., Neurological and Renin-Angiotensin-Aldosterone system. (43:00-46:09)
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