"I feel like I'm drowning." Four days after a STEMI, a patient who had been recovering well is sitting bolt upright, coughing up pink, frothy sputum, and unable to catch his breath.

In this episode, Sarah walks you through a worst-case scenario complication every cardiac nurse needs on their radar: post-MI papillary muscle rupture causing acute, severe mitral regurgitation. This is one of those zebra diagnoses that you may never see... but if you do, recognizing it early is what gets your patient to the OR alive.

Sarah breaks down the pathophysiology behind the patient's sudden deterioration, the clues that will help you catch a mechanical complication, and how to treat the patient — including which medications help (or backfire), and where BiPAP and mechanical support fit in.

Topics discussed in this episode:

• Case presentation: sudden respiratory distress 4 days post-STEMI
• Mitral valve anatomy and the role of the papillary muscles
• Why mechanical complications happen days after an MI
• Acute vs. chronic mitral regurgitation
• Why the lungs flood while the organs starve
• Why murmurs can be misleading
• BiPAP and the risks of intubating a patient in shock
• Afterload reduction vs. norepinephrine
• When Lasix helps and when it doesn't
• Mechanical circulatory support: IABP, Impella, and VA-ECMO
• How to communicate with a frightened patient

Mentioned in this episode:

CONNECT 📸 Connect on Instagram: https://www.instagram.com/therapidresponsern/ 📚 Check out my course: https://www.rapidresponseandrescue.com/learnmore 🧑‍💻Check out my website: https://www.rapidresponseandrescue.com/ 📬 Subscribe to my newsletter: https://www.rapidresponseandrescue.com/login 🎁 Affiliation and discounts: https://www.rapidresponseandrescue.com/therapidresponsern ✅ Earn CE’s for listening to podcasts through RNegade: https://rnegade.thinkific.com/?ref=d9d541 SAY THANKS 💜Leave a review on Apple Podcasts: https://podcasts.apple.com/ca/podcast/rapid-response-rn/id1535997752 💚Leave a rating on Spotify: https://open.spotify.com/show/55LQqeDg6XFeixvZLEp4xE ⏱️ To get the FREE Rapid Response RN Assessment Guide and the coupon code for $10 off the cost of the course, message Sarah on Instagram @TheRapidResponseRN and type the word PODCAST! This episode was produced by Podcast Boutique https://www.podcastboutique.com

Fall 2026 Rapid Response Academy

Click here to learn more about the Fall 2026 Cohort of Rapid Response Academy: https://www.rapidresponseandrescue.com/rra

The shock worked. The rhythm converted. And then V-fib came right back. Now what?

Part two of this series explores the physiology and pharmacology driving recurrent V-fib so you can respond confidently when shocks aren’t enough.

You'll learn how the body's sympathetic nervous system response keeps the heart unstable, why epinephrine can both help and hurt, when to reach for lidocaine over amiodarone, and what the research says about the emerging role of esmolol to target the storm itself (not just the arrhythmia).

Topics discussed in this episode:

• The sympathetic nervous system and cardiac arrest
• Why epinephrine both helps and hurts
• Amiodarone vs. lidocaine: which is better?
• Key findings from the ROC-ALPS trial
• Why antiarrhythmics don't replace defibrillation
• The evidence behind esmolol in refractory V-fib
• 3 lessons for codes when ACLS isn't enough

Mentioned in this episode:

CONNECT 📸 Connect on Instagram: https://www.instagram.com/therapidresponsern/ 📚 Check out my course: https://www.rapidresponseandrescue.com/learnmore 🧑‍💻Check out my website: https://www.rapidresponseandrescue.com/ 📬 Subscribe to my newsletter: https://www.rapidresponseandrescue.com/login 🎁 Affiliation and discounts: https://www.rapidresponseandrescue.com/therapidresponsern ✅ Earn CE’s for listening to podcasts through RNegade: https://rnegade.thinkific.com/?ref=d9d541 SAY THANKS 💜Leave a review on Apple Podcasts: https://podcasts.apple.com/ca/podcast/rapid-response-rn/id1535997752 💚Leave a rating on Spotify: https://open.spotify.com/show/55LQqeDg6XFeixvZLEp4xE ⏱️ To get the FREE Rapid Response RN Assessment Guide and the coupon code for $10 off the cost of the course, message Sarah on Instagram @TheRapidResponseRN and type the word PODCAST! This episode was produced by Podcast Boutique https://www.podcastboutique.com

This special episode was recorded and released on the Nurse Gwenny Podcast. We talked about some of those early signs of deterioration that are often missed and how we can speak up and advocate before the patient crashes.

Check out this episode and so many more over at the Nurse Gwenny Podcast

And, you can join the Nurse Gwenny Library to earn CE credits for listening to the show!

Use code: rapidresponsern

to get a discount on your membership:

https://library.nursegwenny.com/bundles/nurse-gwenny-library-membership