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Troubleshooting review

Hypotension: positive-pressure effect

PPV and PEEP can reduce venous return and affect RV output.

Educational review boundary: This page summarizes common patterns and published management options. It does not analyze an individual patient or generate a treatment directive. Verify the current source, local protocol, and clinical context.
PEEP/FiO₂ knobsBalance oxygenation and hemodynamics.RV/shock patternConsider PE/RV failure/shock.

Look for

  • BP drop after PEEP/pressure increase.
  • Low EtCO₂ from reduced perfusion.
  • High intrathoracic pressure in obstructive physiology or ARDS.

Clinical review / use limits

Authored by: Airway of the Month education team. Last reviewed: July 2026. Audience: EM learners, faculty, EMS, RT, simulation educators, and airway teams.

Resources · Editorial policy · ACEP intubation policy · AARC 2024 ventilator assessment guideline · ATS 2024 ARDS guideline update

About this resource
Created by: Andrew Pirotte, MD; Kyle Brown, MD; Reba Hodge, MD; Amanda Vanderwerf, PharmD, BCEMP; Morgan Kimball, PharmD, BCEMP; Joshua Mohess Clinical review: Emergency medicine faculty review completed. Medication content reviewed by Amanda Vanderwerf, PharmD, BCEMP, and Morgan Kimball, PharmD, BCEMP. Last reviewed: 2026-07-23 Next scheduled review: 2027-01-23 Designed for: EM residents, emergency physicians, EMS clinicians, airway educators, and simulation faculty Important: Educational resource and clinical-reference guide only; not a bedside order set or substitute for local protocol, medical direction, or clinical judgment. Website contact: [email protected]