Positive vs. Negative Pressure Ventilation *EXPLAINED*

What is the difference between positive and negative pressure ventilation? Watch this quick video to find out.
💥Positive vs. Negative Pressure Ventilation [Full Guide] ➜ ➜ ➜ https://bit.ly/3p4FS5q

➡️ Positive Pressure Ventilation
The most commonly used form in modern medical practice is positive pressure ventilation. As its name suggests, it uses positive pressure to push air into the lungs during the inspiratory phase of breathing.

➡️ Types
-- CPAP (Continuous Positive Airway Pressure): Used mainly for obstructive sleep apnea, maintains a continuous level of pressure.
-- BiPAP (BiLevel Positive Airway Pressure): Used for conditions like COPD and sleep apnea, provides different pressure levels for inhalation and exhalation.
-- Invasive Mechanical Ventilation: Used in severe cases, delivers air through an endotracheal tube.
-- High-Frequency Oscillatory Ventilation: Used mainly in neonates, delivers tiny volumes at high frequencies.

Advantages of positive pressure ventilation include flexible control over respiration parameters and applicability in both invasive and noninvasive forms. Disadvantages include the risk of barotrauma, ventilator-associated pneumonia, and negative effects on cardiac output due to increased intrathoracic pressure.

➡️ Negative Pressure Ventilation
This older, less common technique involves enclosing the patient’s body in an airtight chamber and reducing the pressure around the chest to create a vacuum that leads to inhalation.

➡️ Types
-- Iron Lung: Covers the whole body except the head, historically used during polio epidemics.
-- Chest Cuirass: Covers only the chest and abdomen, easier to use but requires a tight seal.

Some advantages of negative pressure ventilation include enabling spontaneous breathing and maintaining natural physiological responses, thereby promoting better circulation. Some disadvantages are its ineffectiveness in cases with stiff or non-compliant lungs and its impracticality for long-term management outside of the hospital.

While positive pressure ventilation is more commonly used due to its versatility and immediate relief in respiratory conditions, negative pressure ventilation remains valuable for specific cases such as neuromuscular diseases. Both have unique advantages and limitations that clinicians should carefully weigh based on individual patient needs, comfort, and underlying medical conditions. Therefore, a thorough understanding of both types is essential for optimizing patient care in various clinical scenarios.

💥Positive vs. Negative Pressure Ventilation [Full Guide] ➜ ➜ ➜ https://bit.ly/3p4FS5q

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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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⏰TIMESTAMPS
0:00 - Intro
0:33 - Positive Pressure Ventilation
0:51 - CPAP
0:59 - BiPAP
1:09 - Invasive Mechanical Ventilation
1:18 - High-Frequency Oscillatory Ventilation
1:29 - Advantages
1:39 - Disadvantages
1:51 - Negative Pressure Ventilation
2:10 - Iron Lung
2:21 - Chest Cuirass
2:29 - Advantages

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