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Updated: Dec 15, 2025
06:10
Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
Published on: June 12, 2021
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Cardiogenic Auto-Triggering as a Consequence of Hemoperitoneum.
John C Grotberg1, Bonnie R Wang2, Richard Eakin2
1Department of Internal Medicine, University of Michigan, Ann Arbor, MI.
Chest
|July 14, 2020
Summary
A rare case of cardiogenic auto-triggering in a ventilated patient was identified. This phenomenon, caused by heart oscillations, led to respiratory issues and was resolved by paracentesis.
Area of Science:
- Critical Care Medicine
- Cardiology
- Pulmonary Medicine
Background:
- Patient-ventilator asynchrony is a common complication in intensive care units.
- Cardiogenic oscillations can sometimes lead to ventilator auto-triggering, causing significant clinical issues.
- Unrecognized auto-triggering can result in respiratory alkalosis and prolonged mechanical ventilation.
Observation:
- A 70-year-old woman developed unexplained respiratory alkalosis and ventilator auto-triggering.
- Ventilator settings revealed cardiogenic oscillatory flow as the cause.
- Cardiogenic auto-triggering persisted despite absence of spontaneous inspiratory effort.
Findings:
- Cardiogenic auto-triggering was identified as the cause of patient-ventilator dyssynchrony.
- The condition led to increased respiratory rates and respiratory alkalosis.
- Resolution of cardiogenic auto-triggering occurred after large-volume paracentesis.
Implications:
- Cardiogenic auto-triggering can be an unrecognized cause of ventilator dyssynchrony in ICUs.
- Prompt recognition and management, such as paracentesis, are crucial.
- Understanding this phenomenon can improve ventilator management and patient outcomes.
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