How the ventilator works | Maher Alrahamneh, MD

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Mechanical ventilation for beginners

Course introduction

Course introduction (3:15)

Breathing mechanics and physiology review

Introduction (0:22)
Air flow and pressure gradient (1:03)
Boyle's law (1:18)
Intrapleural & alveolar pressure (2:28)
Transpulmonary pressure (2:14)
Spontaneous breathing (3:30)
Positive pressure breath (2:12)
Resistive pressure (2:08)
Compliance concept (2:54)
Breathing mechanics (1) (4:39)
Breathing mechanics (2) (1:54)

The ventilator

Introduction (0:23)
The ventilator parts (2:28)
The ventilator screen (4:18)
The endotracheal tube (2:22)
How the ventilator works (1:50)
The trigger concept (1:36)
Patient's trigger (3:05)
Ventilator trigger (2:18)
Trigger demonstration (4:48)
The target concept (2:47)
Flow target (2:50)
Pressure target (1:30)
Flow vs pressure target (2:32)
Target demonstration (2:57)
Cycle concept (3:08)
Cycle demonstration (1:51)
Positive end expiratory pressure (PEEP) (1:28)
Respiratory cycle (2:13)

Modes of ventilation

Introduction (0:30)
Volume control mode (3:11)
Volume control mode demonstration (2:27)
Pressure control mode (1:58)
Pressure control mode demonstration (2:29)
Pressure support mode (2:32)
Pressure support mode demonstration (2:57)
Modes comparison (1:14)
SIMV mode (2:39)
SIMV demonstration (3:02)

Mode selection and initial settings

Introduction (0:13)
Mode selection (1) (2:28)
Mode selection (2) (2:13)
Oxygenation (3:05)
Mode-specific ventilator settings (5:04)

Respiratory mechanics

Introduction (0:27)
Peak insp. pressure & Plateau pressure (8:16)
Demonstrating compliance on the ventilator (1:57)
Demonstrating peak inspiratory pressure (3:20)
Inspiratory hold maneuver (1:49)
Low peak inspiratory pressure (3:00)
Mean airway pressure (3:22)
Mean airway pressure demonstration (1:34)
Rise time (1:40)
Rise time demonstration (1:42)
Gas trapping & autoPEEP (2:39)
Gas trapping complications (1:24)
Expiratory hold maneuver (4:51)
Causes and treatment of gas trapping (1:55)
AutoPEEP treatment (5:43)
Volutrauma & Tidal volume (1:43)
How to adjust tidal volume (3:44)
Barotrauma (2:30)
Opening & closing pressure (2:55)
Atelectrauma (2:43)

Weaning & extubation

Introduction (0:29)
Weaning readiness (2:45)
Spontaneous breathing trial (2:13)
T-piece (2:43)
Pressure support (2:38)
Rapid shallow breathing index (RSBI) (2:05)
Cuff leak test (1) (4:02)
Cuff leak test (2) (2:53)
Extubation process (3:20)

Conclusion

Where to go from here (0:23)

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How the ventilator works

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