SA国际传媒

SA国际传媒

The science behind shock: Why providers must understand the RAAS

鈥淲hat happens when the kidneys aren鈥檛 getting enough blood? They sound the alarm with renin.鈥

Editor鈥檚 note: Welcome to the What Paramedics Want podcast series of Inside EMS, sponsored by鈥. The state of the industry What Paramedics Want Report explores issues tied to provider recruitment and retention; safety, health and wellness support; technology adoption; and career development, produced in partnership with Fitch & Associates and the National EMS Management Association.鈥Learn more鈥痑苍诲鈥download your copy.


Ever wonder what really happens inside the body during shock? This week, Chris Cebollero and Kelly Grayson dive into the renin angiotensin aldosterone system (RAAS). From vasoconstriction to fluid retention, they break down this complex topic with real-life examples, a sprinkle of humor and practical tips for how EMS providers can apply this knowledge in the field.

Kelly shares the importance of understanding the 鈥渨hy鈥 behind shock presentations, from recognizing when fluids won鈥檛 work to knowing when vasopressors are the answer. With anecdotes like treating a sepsis patient on ACE inhibitors and using pulse ox waveforms for clues, this episode blends science with field-tested wisdom. Whether you鈥檙e an EMT, paramedic, or just an anatomy nerd, you鈥檒l walk away with a clearer picture of how the RAAS keeps us alive 鈥 and how we, as EMS professionals, can work smarter alongside it.

Memorable quotes

  • 鈥淚t鈥檚 called, 鈥楾he Renan Angiotensin Aldosterone System 鈥 not just a planetary belt in Star Wars鈥欌. 鈥 Kelly Grayson
  • 鈥淪o, the kidneys now say, 鈥榃e鈥檙e not getting enough blood. Here鈥檚 this renin that we鈥檙e gonna send out because we鈥檝e gotta fix this problem.鈥 What the body doesn鈥檛 know is that Chris Cebollero and Kelly Grayson and you are out there trying to fix it. So it鈥檚 trying to fix itself.鈥 鈥 Chris Cebollero

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The Inside EMS podcast is a regular expert discussion of hot topics, clinical issues, operational and leadership lessons for EMTs, paramedics and chiefs