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Tag Archives: cardiothoracic

Pre-Op Screen: Ventilation Modes Change Cardiac Output

Take a deep breath. Your diaphragm is contracting downward increasing your intrathoracic volume with a resulting decrease in pressure according to Boyle’s Law. This new pressure is less than that of atmospheric pressure (“negative intrathoracic pressure”), so a gradient is created driving air into your lungs.

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Acute Hemodynamic Management – Aggressive Undertreatment

This post was inspired by a discussion I had with Dr. Les Yarmush, one of my cardiothoracic anesthesia attendings. I’ve become accustomed to titrating many short acting medications to manage hemodynamics in the ICU and operating room arenas. I like to factor in a patient’s comorbidities and “test” their response …

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