Medical Minute Archives - The Emergency Medical Minute

Medical Minute

Podcast 724: Ivermectin Overdose

Contributor: Don Stader, MD Educational Pearls: Ivermectin is a Nobel-Prize winning antiparasitic  used to treat filariasis and onchocerciasis Ivermectin is receiving press due to a scientific study examining ivermectin on COVID-19 viral replication in vitro, but the dosages needed for this effect were much higher than is safe for human use Ivermectin has since been…

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Podcast 723: Nitro Drip in Flash Pulmonary Edema

Contributor: Alec Coston, MD Educational Pearls: Flash pulmonary edema or Sympathetic Crash Acute Pulmonary Edema (SCAPE) is a severe illness that requires aggressive treatment Often in patients with heart failure and a sympathetic surge increasing heart rate, decreased diastolic filling, increased preload, and increased afterload causing pulmonary edema Clinical diagnosis: acute onset diaphoresis and respiratory…

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Podcast 722: Lower Extremity Dislocations

Contributor: Donald Stader, MD Educational Pearls: Hip Dislocation Prolonged dislocations can impair blood supply to femoral head Hip dislocation for >6 hours puts patient at high risk for needing a hip replacement in the next two year Knee Dislocation High mechanism Often looks anatomically normal on knee x-ray Vascular injuries of the popliteal artery can…

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Podcast 721: Blakemore & Minnesota Tubes: Part II

Contributor: Dylan Luyten, MD Educational Pearls: To place a Blakemore/Minnesota Tube: Insert into esophagus under visualization Inflate gastric port with 60 cc of air and obtain a chest xray to ensure the balloon below the diaphragm Once confirmed, place a total of 500cc of air into the gastric balloon via the gastric port Tie a…

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Podcast 720: Blakemore & Minnesota Tubes: Part I

Contributor: Dylan Luyten, MD Educational Pearls: Minnesota Tube has an extra port for suctioning otherwise is the same as a Blakemore Tube Indicated in MASSIVE upper GI bleeding often due to esophageal varices Esophageal varices are dilated, tortuous vessels in the esophagus due to increased portal venous pressure that can bleeding into the upper GI…

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Podcast 719: Normal Saline vs. Tap Water for Wound Irrigation

Contributor: Ricky Dhaliwal, MD Educational Pearls: Multiple RCTs and a Cochrane Review found there is no difference in wound infection rates when irrigating with tap water  Pressure of the water and how extensively the wound is irrigated were the most important factors affecting infection rates Quantity and type of water were independently not as important…

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Podcast 718: Renal Failure Follow Up

Contributor: Aaron Lessen, MD Educational Pearls: Patients with acute renal failure often need medical management for hyperkalemia Those with severe electrolyte derangements or absent renal function may need emergent dialysis as well Dialysis catheters are 12 or 14 french catheters placed in the right internal jugular or left subclavian Placement is very similar to a…

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Podcast 717: A cautionary tale of renal failure

Contributor: Aaron Lessen, MD Educational Pearls: Hyperkalemia can cause EKG changes such as a widened QRS The fastest electrolyte results can be obtained off a VBG with electrolytes  or point-of-care labs Hyperkalemia may be reported as “hemolyzed” which indicated lysis of red blood cells and artificial elevation of the potassium level. However, always keep in…

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Podcast 716: Resuscitation Fluids

Contributor: Nick Tsipis, MD Educational Pearls: Fluid choice may have an impact on outcomes in resuscitation, and a meta-analysis has relevant insight into their use in sepsis and trauma patients Large volume normal saline fluid resuscitation in sepsis is associated with acute kidney injury and metabolic acidosis compared to Lactated Ringers Choice of fluid did…

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Podcast 715: Heated High Flow O2

Contributor: Nick Hatch, MD Educational Pearls: High flow nasal cannula (HFNC) or “heated high flow” can deliver higher oxygen levels than nasal cannula It typically is used as an “intermediate” between oxygen via nasal cannula and other non-invasive positive pressure devices, such as BiPAP Can modify both the FiO2 and flow rate Maximum flow rate…

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