Everything About Short-Term Regulation of Blood Pressure | Nervous Control of Circulation |Animation
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- Опубликовано: 28 июл 2024
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Nervous Control of Blood Pressure (Short-Term Regulation of Circulation):
The blood pressure regulation team has five divisions. Sensors include baroreceptors which are sensitive to stretch, and chemoreceptors which are sensitive to the composition of blood. Afferent pathways travel through the glossopharyngeal and vagus nerve. Cardiovascular control centers include nucleus tractus solitarius, vasomotor area, cardio acceleratory area, and cardio inhibitory area located in the medulla. Efferent fibers go to so many effector organs as sympathetic and parasympathetic innervation. Sympathetic vasoconstrictor tone keeps blood vessels in partially constricted state. The baroreceptor reflex prevents sudden changes in blood pressure. The chemoreceptor reflex regulates blood pressure based on composition of blood. Blood pressure is also adjusted when there is a change in blood volume. Higher centers integrate so many activities going on inside the body and affect the blood pressure accordingly. CNS ischemic response is like the last line of defense against a lethal fall in blood pressure. Cushing reaction is a variation in CNS ischemic response seen when there is an increase in intracranial pressure. When there is a change in blood volume, the volume reflex counteracts changes in blood volume itself, and the arterial reflex and Bainbridge reflex modulates the heart rate as needed. The abdominal compression reflex moves blood from veins in the abdomen to circulation. Respiratory activity also brings about rhythmic changes in blood pressure. And finally, most of the reflex control mechanisms show oscillations. So these were all the mechanisms involved in short-term regulation of blood pressure.
Chapters:
00:00 Introduction
01:17 Relevant Anatomy: The Playground
02:32 Baroreceptors & Chemoreceptors
03:03 Baroreceptors
05:22 Chemoreceptors
08:35 Afferent Nerves
10:02 Cardiovascular Control Centers in Medulla
13:13 Efferent Nerves & Effector Organs
16:28 Summary of Structures
17:47 Introduction to Control Mechanisms
18:45 Sympathetic Vasoconstrictor Tone
20:09 Baroreceptor Reflex
25:45 Chemoreceptor Reflex
27:30 Control of Pressure by Blood Volume
28:50 Control by Higher Centers in the Brain
30:57 CNS Ischemic Response
33:22 Cushing Reaction
34:26 Volume Reflex
35:54 Bainbridge Reflex
37:19 Abdominal Compression Relfex
38:08 Respiratory Waves
39:53 Oscillation of Reflex
41:44 Summary
Dr Vipul Navadiya
Nonstop Neuron
Medical Animation
Medical Animation Videos
Physiology
DISCLAIMER: This video is for education purposes only. Although every effort is made to ensure the accuracy of the material, viewers should refer to the appropriate regulatory body/authorized websites, guidelines, and other suitable sources of information as deemed relevant and applicable. In view of the possibility of human error or changes in medical science, any person or organization involved in the preparation of this work accepts no responsibility for any errors or omissions, or results obtained from the use of information in this video.
This video is pure gem, concepts at its peak,
Actually I started watching when I was lying on the bed , normally when I watch other study videos I used to sleep after 5 min, but this time It was different,I felt like like watching cartoon,and understood very difficult concepts very easily,
And I got bonus sympathetic activation in the middle of the video, 😱
Thanks alot for helping medical student keep going
Thank you for the near-death experience at 29:56!
Dis video is wonderful. The best ever. It makes studying Guyton sweet.
The best video on the topic. Unbeatable.
Hi. The video is awesome and very informative. Clears all your concepts nicely. However, there's a slight mistake in the respiratory waves part as increase negative intrathoracic pressure further increases venous return and thus cardiac output and bp. Thankyou again for this beautiful video.
THIS IS A LITERAL MASTERPIECE ❤
Thank you so much! 🥹🫶🏻
This Is damn cool.. I just loved it.. and ofc the live practical at 29:56 is creative 😢..lol😅
Wow, I am bringing popcorn 🎉
🎉 my dream is to finish all cardiology videos more channels
Protect this channel at all cost 😳.
Hands down to the best explanation on this topic so far!! Never stop making these videos! Please!
This is a piece of art.
This is one month work of physiology in one video😮
Watching from Nigeria, I love your videos❤
i likee these videosss
really really good work.😁
Sir please try to make videos a bit shorter like you did previously. Thanks 👍
Yes. I aim for as short video as possible. I create longer video only if I think that all the covered information in the video is best learnt together. So whenever you see a longer video, understand that I want you to learn everything together.
@@NonstopNeuron ❤️
29:55
Jumpscare.
For viewers
Atleast change title
There r many students watching at ni8 solely and u probably gonna faint them..
please edit the video with the other voice. for non-native people it is much more difficult to understand in the original voice