Mech vent modes

Question 1

Control Mode

Answer 1

• Predetermined # of volume and breaths
• NO SPONTI breaths
• Both I&E: Machine
• Constant MV

Question 2

Assist Control

Answer 2

• No pressure support > can detect sponti breaths but full vol parin idedeliver
• Deliver breaths acc to frequency or initiation
• I: Pt; E: Machine
• Constant MV

Question 3

SIMV - Synchronized Intermittent Mandatory Ventilation

Answer 3

• Weaning mode > pt controls breathing w assistance fr machine
• PS is set > can increase to help pts achieve larger sponti breath
• If pt initiates sponti breath, volume will be adjusted according to them
• I&E: Patient
• MV: Variable

Question 4

Pressure Support

Answer 4

• Form of sponti breathing
• I&E: Patient
• NO frequency
• MV: Variable
• WOB almost entirely dependent on pt w assistance of PS
• trial before extubating pts