Respiratory Therapy - Mechanical Ventilation Terminology Breakdown

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[ICUAdvantage]

"No you don't. You're killing somebody." 😂😂😂

Best line! As usual man, great explanations. It's clear you know your stuff and you do a great job explaining that knowledge.

[marcelamota]

watching this in 2024 because we just started doing mechanical ventilation. I graduate May 2025. Thank you for this video.

[dmarcellus]

Hindsight...the timing on this video was great.

[erlines]

You’re a life saver! 2nd semester student here taking mechanical vent. Learning mechanical vent is like learning a foreign language. Thank you for making it clear for me. I was lost 😞 until I watch your video.

[asyacotton]

Absolutely makes sense. Thank you for the clarification. It is one thing to read a text book, teacher and try to figure it out but sometimes people just need to hear a different voice and you Sir are that person. Even the hand movements and pictures I understood better. Thank you for what your doing.

[mentahlechekole]

OMG, thank you, it is the first day of my second semester.

[omeeshbisnathsingh]

I am watching this in 2023.and u realy did a great job explaining it..thanks sir

[rebeccaluddington]

I'm a second year Respiratory student and wow this is so helpful! Thank you for sharing

[UMBUBA]

Great break down!!!! I wish our instructors explained like you. Thank

[OleiloO]

So basically...
Mechanical ventilation

RR (respiratory rate) = x breaths/min
(ex. You want to give 1 breath each 4 seconds you'll do 60sec/min ÷ 4 sec to find out what your RR would be, so here your RR would be 15/min, as 60sec ÷ 15/min = 1 breath each 4 seconds)

Vt (tidal volume) = x ml/inspiration
(ex. Patient weight 80kg and you want to give 6ml/kg you'll give 480ml/inspiration as a Vt of 480ml) (please don't be killing anybody by giving a Vt of 500L thank you.)

Ve (minute ventilation) = x L of volume given/minute
(ex. You've installed a Vt of 480ml at a RR of 15/min so you're giving 7, 20 L of volume each minute as Ve = RR * Vt = 15/min * 0, 480ml/L which = 7, 20 L/min) (and remember that hyperventilation is, for example, not only high RR but a high Ve that affects your PaCO2 by decreasing it so much that the patient is now in respiratory alkalosis, as an RR of 24/min with a Vt of only 150ml is not necessarily hyperventilation because Ve would only be of 3, 6 L/min!)

Trigger (breath starter)
Time triggered breath : when patient is not breathing, breath delivering depends on set RR.
Pressure triggered breath : when patient takes pressure away from the circuit
Flow triggered breath : when patient sucks flow out of the circuit

Cycle (inspiration ending allowing expiration to begin)
(here, two most used in mechanical ventilation)
Set inspiration time (Ti) is reached so inspiration ends and expiration starts
Set inspiration volume (Vt) is delivered so inspiration ends and expiration starts
Etc. (differs from modes to others)

Pressures
-PIP (peak inspiratory pressure) = airways pressure + alveoli pressure
When inspiration starts, pressure rises until the breath is delivered and the highest that pressure got is the PIP
-Pplat (plateau pressure) = pressure representative of the pressures within the alvioli only (manoeuvre : at inspiration's end breath is hold for a few seconds and pressure lowers from PIP to Pplat and stays there until the inspiratory hold is released)
-MAP (mean airway pressure) = average of all the pressures throughout the entire cycling of the breath (area beneath the pressure curve)
The higher the PIP and Pplat are, the higher the MAP is going to be and vice-versa
-PEP or Peep (positive end-expiratory pressure) = set pressure that prevents the alveoli to completely collapse at the end of exhalation (atelectasis) by holding continuous pressure throughout the ventilation
-Driving pressure = Pplat - PEP
(We want that pressure to be minimal as well)
PIP - Pplat = representing airway resistance

[dodoeawakening]

Thank you Coach, it such a useful video and great knowlage, thanks for a great video, Coach

[hadeelalghanim]

6:52 clever point!
I’m gonna discuss it with my supervisor 💪🏻💪🏻

[youssefa.]

I literally used to hate this topic and didn't look forward revising it but your videos actually made me fascinated and eager to learn more! literally what the hell. Great job ^x^

[ASHOKHOSANNA]

Ur explanation is really very good sir, thank you very much

[charmainevalentine]

you're vid was so good it made me shed a tear. Thanks alot

[staceyevans]

It's vent time!!! Here we go with my quick refresher of vents. I hope it goes as well as my ABG review. Thanks for everything!!!

[dorisx]

This is my first time watching one of your videos, and I have to say you are an amazing teacher. Clear and concise. You have helped me which intern allows me to better help patient’s thank you.

[ellafeng]

Wow, you are a legend! It's so clear 😊! Thank you for sharing your knowledge!

[mobarakhanane]

Your videos made me love Mechanical ventilation 😊

[vickybeltran]

THANK YOU THANK YOU I'm using the Pilbeams workbook at the moment and we starting using these variables but I need to know what they they not just plug these variable into the equations! this was awesome!!!!