The graphic below for a patient receiving mechanical ventilation shows which of the following conditions?

A) Leak in the circuit
B) Active inspiration
C) Active exhalation
D) Intrinsic PEEP

Question

The graphic below for a patient receiving mechanical ventilation shows which of the following conditions?

A) Leak in the circuit 
B) Active inspiration 
C) Active exhalation 
D) Intrinsic PEEP

Quizplus · Accepted Answer

Before the delivery of a mandatory breath (constant flow,volume-controlled continuous mandatory ventilation [VC-CMV]),patient effort reaches the trigger threshold,and a normal breath is delivered (breath on left).The second breath (right)is patient triggered,but the pressure curve (arrow)is concave because of the patient's active attempt to inhale.

The Graphic Below for a Patient Receiving Mechanical Ventilation Shows