What is CPAP? (Continuous Positive Airway Pressure) | Respiratory Therapy Zone

What is CPAP? This video will teach you all about Continuous Positive Airway Pressure!
💥Full Guide on CPAP ➜ ➜ ➜ https://bit.ly/2Ste6Ms

➡️ What is CPAP?
Before we get deeper into the content, one important thing to remember about CPAP is that it can only be delivered if the patient is breathing spontaneously because it does not provide any mechanical breaths.

➡️ So go ahead and engrave that into your memory:
Never administer or recommend CPAP for a patient who is not breathing spontaneously.

In general, noninvasive ventilation delivers an inspiratory pressure (IPAP) and an expiratory pressure (EPAP), but CPAP is active when both pressures are equal. Because if you think about it, that's where CPAP gets its name — Continuous Positive Airway Pressure — because a continuous pressure is being delivered throughout both the inspiratory and expiratory phase of breathing.

The primary indication for CPAP is: Obstructive Sleep Apnea

Obstructive Sleep Apnea (OSA) is a condition where the patient has five episodes of apnea that last at least 10 seconds each within a one-hour time period while asleep. This type of sleep apnea is caused by an airflow obstruction that occurs along with continuous breathing efforts by the patient. But for now, just know that patients can wear a CPAP mask at night while asleep and the continuous positive airway pressure that is applied helps to decrease the apnea episodes by keeping the airway open to overcome the obstruction.

➡️ Contraindications for CPAP:
Apnea
Hypoventilation
Respiratory muscle fatigue
Facial burns or trauma
Claustrophobia
➡️ CPAP in Traditional Mechanical Ventilation
CPAP can be delivered as a spontaneous breathing mode is traditional mechanical ventilation and is commonly used along with Pressure Support when attempts are made to wean a patient from the ventilator. When the CPAP mode is in use, the patient must be monitored carefully for fatigue because they are the one that is doing all the work. Since it is a spontaneous mode, the machine will not deliver any breaths. It just provides a continuous pressure that helps supports the patient's own breathing cycle. But the machine does not contribute to the minute ventilation. That is all done by the patient.

➡️ So for patients who are receiving CPAP, you should monitor them for signs of fatigue, which are:
Dyspnea
Tachycardia
Increasing PaCO2 level
Increasing respiratory rate
Decreasing tidal volume or vital capacity
Decreasing MIP

In these cases, you would most likely be able to tell that the patient is working harder than normal to breathe and you'd likely notice some usage of the accessory muscles of breathing, which is a sign of respiratory distress. When these signs are present, the patient should be switched from CPAP back to a conventional mode of ventilation.

Which, we do have a full video and study guide on, if you're interested, I'll drop links down below in the description.

💥Full Guide on CPAP ➜ ➜ ➜ https://bit.ly/2Ste6Ms

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🚑MEDICAL DISCLAIMER
Medicine and Respiratory Therapy are continuously changing practices. The information in this video is for educational and entertainment purposes only. For medical advice, please consult with a physician or qualified medical professional.

💡AFFILIATE DISCLAIMER
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
0:33 - What is CPAP?
1:22 - Primary indication for CPAP
1:28 - Obstructive Sleep Apnea (OSA)
2:11 - Contraindications for CPAP
2:32 - CPAP in Traditional Mechanical Ventilation
3:21 - Signs of Fatigue

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