Venous Admixture (Medical Definition) | Quick Explainer Video

Venous Admixture (Medical Definition) | Quick Explainer Video

Venous Admixture (Medical Definition) | Quick Explainer Video

What is Venous Admixture? This video covers the medical definition and provides a brief overview of this topic. ✔️
💥Respiratory Therapy Definitions [Glossary] ➜ ➜ ➜ https://bit.ly/3g6s4Pj

In a healthy individual, blood with low oxygen content flows from the right side of the heart to the lungs, where it picks up oxygen from the inhaled air and releases carbon dioxide. The oxygenated blood then returns to the left side of the heart, from where it is pumped into the systemic circulation to supply the body’s tissues with oxygen.

➡️ Venous Admixture
Venous admixture occurs when there are anatomical or functional abnormalities in the pulmonary circulation that allow deoxygenated blood to bypass the lungs and mix with oxygenated blood. This could be due to a variety of causes, including ventilation-perfusion mismatch, intracardiac or intrapulmonary shunts, or lung diseases that compromise the oxygenation process.

Congestive heart failure (CHF) with low cardiac output is another common cause, which is typically related to some type of V/Q mismatch. CHF impairs the heart’s ability to pump blood effectively, leading to fluid accumulation in the lungs and other areas of the body.

This fluid accumulation can cause several changes in the lungs, such as:
- Impaired gas exchange
- Hypoxemic vasoconstriction
- Increased pulmonary capillary pressures

These factors combine to promote venous admixture in CHF patients, resulting in hypoxemia and decreased arterial oxygenation. Treatment strategies for CHF typically focus on improving cardiac function, reducing fluid accumulation, and alleviating symptoms, which can help mitigate the impact of venous admixture in these patients. Increased venous admixture leads to a reduction in the overall oxygen content of the arterial blood, which may contribute to hypoxemia (i.e., low blood oxygen levels). This is clinically significant, particularly in patients with pre-existing respiratory or cardiovascular diseases, and requires further investigation and treatment.

💥Respiratory Therapy Definitions [Glossary] ➜ ➜ ➜ https://bit.ly/3g6s4Pj

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🚑MEDICAL DISCLAIMER
This content is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Please consult with a physician with any questions that you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you watch in this video. We strive for 100% accuracy, but errors may occur, and medications, protocols, and treatment methods may change over time.

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This description contains affiliate links. If you decide to purchase a product through one of them, we receive a small commission at no cost to you.

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⏰TIMESTAMPS
0:00 - Intro
0:50 - Venous Admixture
1:15 - Congestive Heart Failure
1:35 - Fluid Accumulation
1:58 - Treatment

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#VenousAdmixture #bloodflow #gasexchange


Content

0 -> Venus admixture is a phenomenon where deoxygenated  venous blood mixes with oxygen-rich arterial blood  
7.74 -> from the pulmonary circulation this results  in the delivery of blood with lower oxygen  
13.98 -> content to these systemic circulation than would  be expected if there was no mixing we created this  
21 -> video to cover the medical definition and provide  a brief overview of the stop it so if you're ready  
26.52 -> let's get into it in a healthy individual blood  with low oxygen content flows from the right  
32.76 -> side of the heart to the lungs where it picks up  oxygen from the inhaled air and releases carbon  
38.76 -> dioxide the oxygenated blood then returns to  the left side of the heart from where it is  
44.4 -> pumped into the systemic circulation to supply  the body's tissues with oxygen venous admixture  
51.18 -> occurs when there are anatomical or functional  abnormalities in the pulmonary circulation that  
57.18 -> allow deoxygenated blood to bypass the lungs and  mix with oxygenated blood this could be due to a  
64.86 -> variety of causes including ventilation perfusion  mismatch intracardiac or intrapulmonary shunts or  
72.06 -> lung diseases that compromise the oxygenation  process congestive heart failure with low  
78.66 -> cardiac output is another common cause which is  typically related to some type of VQ mismatch  
85.92 -> CHF impairs the heart's ability to pump blood  effectively leading to fluid accumulation  
91.74 -> in the lungs and other areas of the body this  fluid accumulation can cause several changes in  
98.04 -> the lungs such as impaired gas exchange hypoxemic  vasoconstriction and increased pulmonary capillary  
106.02 -> pressures these factors combine to promote venous  admixture in CHF patients resulting in hypoxemia  
113.7 -> and decreased arterial oxygenation treatment  strategies for CHF typically focus on improving  
121.44 -> cardiac function reducing fluid accumulation and  alleviating symptoms which can help mitigate the  
127.92 -> impact of venous admixture in the spaces increased  venous admixture leads to a reduction in the  
135.18 -> overall oxygen content of the arterial blood  which may contribute to hypoxemia or low blood  
142.14 -> oxygen levels this is clinically significant  particularly in patients with pre-existing  
148.14 -> respiratory or cardiovascular diseases and  requires further investigation and treatment  
154.08 -> if you want to support the Channel please like  And subscribe I would greatly appreciate it  
159.24 -> and there should be some other helpful videos  popping up on your screen right about now that  
163.2 -> I think you will enjoy until quick reminder we  are not doctors this video is for informational  
168.36 -> purposes only thank you so much for watching have  a blessed day and as always bring these my friends

Source: https://www.youtube.com/watch?v=BPh5rziwJpo