Guide Why Did My Patient Just Code?

Why Did My Patient Just Code? | Guide Academy In this Guide Academy lecture, Jacob Hantla, DNAP, CRNA, FHRS walks through a real clinical scenario to explore why patients with compromised cardiac function can rapidly decompensate under anesthesia — and what you can do about it. The case begins with a patient undergoing an ICD implant for primary prevention under propofol sedation. After developing hypotension, phenylephrine is administered — but the patient's condition continues to deteriorate, with dropping oxygen saturations, falling blood pressure and heart rate, ultimately leading to a code. Using this scenario, Jacob breaks down the hemodynamic principles at play, including Ohm's Law (MAP = CO x SVR), the Frank-Starling curve, and the critical role of contractility in patients already operating on a reduced cardiac reserve. Key takeaways include why anesthesia's negative inotropic effects demand special attention in patients with low ejection fraction, and why reaching for a pure vasopressor like phenylephrine may not be the right first move. The lecture covers pharmacologic strategies such as milrinone for receptor-independent inotropy, epinephrine to replace suppressed endogenous catecholamines, and the importance of addressing contractility before increasing afterload. The presentation also reviews other common causes of unexpected intraoperative codes, including pericardial tamponade, hemodynamic collapse following aortic cross-clamp release, and aortic stenosis management. Presented by Jacob Hantla, DNAP, CRNA, FHRS | Guide Anesthesia Jacob@guideanesthesia.com