Critical Levels

Hosted by paramedic Zach Cantor, "Critical Levels" is a new podcast dedicated to having critical conversations in paramedicine. "Critical Levels" is a podcast for paramedics, by paramedics, with a Canadian and local bias. Please visit our website - http://www.criticallevels.ca - for more information Please email us at info@criticallevels.ca for any suggestions/feedback/comments Follow us on Twitter: @criticalevels

Critical Levels is a health podcast hosted by paramedic Zach Cantor, with 57 episodes on record and a Required Pod Score of 80. PitchCentric scores this show on Booking Probability, Listen Score, and live audience signals refreshed every 24 hours.

paramedic Zach Cantor hosts Critical Levels, a health show with 57 episodes published.

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  Episode #57

  Death, Taxes, and Shift Work - Dr. James Gilbertson

  Apr 3, 20261h 14mS1

  <p >Shift work is a core part of paramedicine, but growing evidence shows it carries real long-term health risks.</p> <p >In this episode, with Dr. James Gilbertson, we explore the science behind circadian rhythm disruption, the impacts of sleep deprivation, and how lifestyle and longevity medicine can help mitigate risk.</p> <p >Key Topics Covered:</p> Why shift work affects lifespan and health outcomes Circadian rhythm disruption explained Links between shift work and: Cardiovascular disease Cancer risk Mental health challenges Sleep optimization strategies for shift workers Exercise and longevity evidence Nutrition approaches that work on shift Social connection and...

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  Episode #56

  In Flight Medical Emergencies - Dr. Carvalho

  Feb 28, 202643 minS1

  <p >In this episode of Critical Levels, Zach sits down with Dr. Anna-Maria Carvalho, a Royal College–certified emergency physician with a subspecialty in aviation medicine, to unpack what really happens when someone asks, "Is there a medical professional on board?"</p> <p >From the physiology of flying at 36,000 feet to the realities of managing cardiac arrest in a cramped aircraft cabin, this episode tackles the fears, logistics, and practical considerations of in-flight medical emergencies—especially for paramedics, nurses, and physicians who may be called upon to help.</p> ✈️ What We Cover <p >🫁 The Physiology of Flight</p> <p >Why cabin altit...

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  Episode #55

  The First 60 - Where Every Minute Counts

  Jan 29, 20261h 45mS1

  <p>On this unique episode, we attend the First60 Toronto Resuscitation Conference and interview several of the speakers. For more detailed information, check out our website, criticallevels.ca</p>

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  Episode #54

  AHA Guidelines - Not Godlines: Drs. Cheskes & Drennan

  Nov 29, 20251h 13mS1

  <p >In this episode, Zach sits down with Dr. Ian Drennan and Dr. Sheldon Cheskes to dissect the newly released 2025 AHA and ILCOR resuscitation guidelines. They break down the evidence, controversies, and real-world implications for paramedic practice.</p> <h3 >Key Topics Covered</h3> <p >🔹 How guidelines are actually created<br /> 🔹 Mechanical CPR<br /> 🔹 Heads-Up CPR</p> <p >🔹 IV vs IO Access</p> <p >🔹 Medications<br /> 🔹 Defibrillation Science</p> <p >🔹 Airway Management<br /> 🔹 Post Cardiac Arrest Care</p> <h3 > </h3>

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  Episode #53

  Waveforms Don't Lie - Danny and Rance (DnR)

  Oct 19, 20251h 4mS1

  <p >In this episode, we explore the science, history, and frontline application of End-Tidal CO₂ (ETCO₂) — a tool that offers real-time insight into ventilation, perfusion, and metabolism. Danny and Rance from DnR explain how paramedics can use ETCO₂ to assess and guide care across multiple patient presentations.</p> <p >Key Takeaways:</p> <p >ETCO₂ is the sixth vital sign — reflecting ventilation, perfusion, and metabolism in real time.</p> <p >Capnography vs. Oximetry: SpO₂ shows what was happening; ETCO₂ shows what's happening now.</p> <p >Waveform interpretation: Alpha and beta angles reveal underlying pathology like bronchospasm, obstruction, or air trapping.</p> <p >Clinical uses...

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