Sat.Sep 09, 2023 - Fri.Sep 15, 2023

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ECG Blog #395 — No Simple Explanation.

Ken Grauer, MD

The tracing in Figure-1 was sent to me for my interpretation. As per the title of today's Blog post — There is no simple explanation for all that is happening in this challenging tracing. Are YOU up for the challenge? I found that the most challenging part of today's tracing is determining the etiology of beat "X". As I explain below — I think it unlikely that beat "X" represents a single, slightly accelerated junctional beat.

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Dr. Vinay Prasad fully embraces the antivax message of “do not comply”

Science Based Medicine

COVID-19 "contrarians" like Dr. Vinay Prasad have long complained about being labelled "antivaccine," which they view as unfair. Why, then, do they embrace antivax messages like "do not comply," even if they don't use the exact words? The post Dr. Vinay Prasad fully embraces the antivax message of “do not comply” first appeared on Science-Based Medicine.

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The ECLS-SHOCK Trial: ECPR in Infarct-Related Cardiogenic Shock

RebelEM

Background: Cardiogenic shock develops in up to 10% of patients with acute myocardial infarction (AMI) and carries a 30 day mortality rate around 50%. Revascularization of the culprit lesion remains one of the few established treatments though there are numerous other unproven modalities including extracorporeal life support (ECLS). Many centers have attempted ECLS to achieve hemodynamic stabilization in this group of patients.

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A 60-year-old diabetic with chest pain, cath lab activated

Dr. Smith's ECG Blog

I came to work one day and one of my partners said, "Hey, Steve, we had a STEMI this afternoon!" I said, "Cool, can I see the ECG?' Of course he said: "Yes, it was a 60 year old diabetic with Chest pain." So he showed me the ECG recorded in triage: What did I say? "That is not a STEMI. That is Arterial Pulse Tapping Artifact (APTA)." He said: "What?

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Choosing Wisely – Investigations for seizures that have returned to baseline

Don't Forget the Bubbles

The Choosing Wisely ® campaign is an initiative that promotes collaborative conversations between clinicians and families to safely avoid unnecessary and potentially harmful tests. The American Academy of Paediatrics Section on Emergency Medicine (AAP SOEM) created a list of five key recommendations for Paediatric Emergency Medicine after a structured review process and expert consensus opinion.

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When Did “Herd Immunity” Become a Taboo Phrase?

Science Based Medicine

Doctors who repeatedly predicted herd immunity in 2020 and 2021, mocking and berating those who disagreed, now treat herd immunity as a taboo phrase. The post When Did “Herd Immunity” Become a Taboo Phrase? first appeared on Science-Based Medicine.

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Can we use D-dimer to assess for left atrial clot in atrial fibrillation?

First 10 EM

This is a guest post by Dr. Lanujan Kaneswaran. Lanujan is a second-year Family Medicine resident at the University of Toronto. He has a background in medical health informatics and machine learning. His areas of interest include artificial intelligence and machine learning in medicine, and health equity through advocacy and technology. When managing atrial fibrillation […] The post Can we use D-dimer to assess for left atrial clot in atrial fibrillation?

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Best Of AAST #3: When To Place A Chest Tube For Hemothorax

The Trauma Pro

There is an art to deciding when to place a chest tube for either hemothorax or pneumothorax. For the most part, the trauma professional examines the imaging and then uses some unknown internal metric to declare that it is “too big.” Then it’s time to insert some type of chest drain. There have been attempts over the years to make this decision more quantitative.

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SGEM#415: Buckle Down for some Ultrasound to Diagnosis Distal Forearm Fractures

The Skeptics' Guide to EM

Reference: Snelling et al. Ultrasonography or radiography for suspected pediatric distal forearm fractures. New England Journal of Medicine June 2023 Date: July 19, 2023 Guest Skeptic: Dr. Casey Parker is a Rural Generalist that includes in his practice emergency medicine, anesthesia, and critical care. He is also a fully-fledged ultrasonographer. Casey currently splits his time […] The post SGEM#415: Buckle Down for some Ultrasound to Diagnosis Distal Forearm Fractures first appeared on The Ske

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ECG Cases 45 ECG in Weakness and Neurological Symptoms

Emergency Medicine Cases

In this ECG Cases blog Dr. Jesse MacLaren guides us through 10 cases of patients who present with generalized weakness or acute neurologic symptoms and discusses how to look for ECG signs of dysrhythmias, electrolyte emergencies, acute coronary occlusion, and demand ischemia in patients with generalized weakness and in patients with neurologic symptoms, to consider predisposing factors like LVH; seizure-like activity from cardiac syncope; TIA/CVA embolic sources like atrial fibrillation or LV th

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Cornell's New Dean, Bob Harrington, Asked Jay Bhattacharya & Eran Bendavid to stop talking to the press about COVID policy, per B's account

Sensible Medicine

I released this on my own substack, but honestly think the readers of Sensible Medicine should know this. If your chair tells you to not talk to the press, the chair should be fired. I was recently reading Jay Bhattacharya’s first person account of his treatment at Stanford— the vicious disputes about lockdown in the Spring of 2020— and this jumped out at me.

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Threadworms

Don't Forget the Bubbles

5-year-old Willow arrives in the ED at 3 a.m. Her mum says she has been waking up screaming on the last few nights, clutching her vulval area and saying it hurts. Her parents have noticed she is scratching her bottom a lot, too, and they’ve had an email from school saying there are cases of threadworms in the reception class. Threadworms ( Enterobius vermicularis , also known as pinworms or seatworms) are the most common helminthic infection in the Western World.

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Best Of AAST #4: Starting VTE Prophylaxis After Solid Organ Injury

The Trauma Pro

Venous thromboembolic disease (VTE) continues to be a major issue in trauma patients. Most trauma centers have prophylaxis guidelines to try to reduce this problem. These guidelines typically recognize specific injuries that increase the risk of bleeding if anticoagulants are given. Typical ones include hemorrhagic injuries to the brain, pelvic and spine fractures, and solid organ injuries.

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BUCKLE trial: on the SGEM (episode 415)

Broome Docs

This month I am back on the SGEM podcast – this time on the all new Paeds section with Dr Dennis Ren. In this episode we do a deep dive into the BUCKLED trial that looked at the use of bedside ultrasound vs. plain film X-rays for the initial investigation of paediatric forearm fractures. This is a really neat Australian trial run by my friend Dr Peter Snelling and friends in Queensland.

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RCTs Can Inform Even the Most Dire Medical Situations

Sensible Medicine

Investigators from Leipzig Germany called the trial ECLS-SHOCK. It studied the use of extracorporeal life support in patients with cardiogenic shock due to acute myocardial infarction. ECLS-SHOCK delivered shocking results. First some background. Cardiogenic shock is medical jargon to describe the really bad situation when the heart cannot deliver enough blood to the body.

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Don’t Use Lytics in Mild Stroke, Part 3

EM Literature of Note

Well, PRISMS demonstrated unfavorable results. MARISS tried to ascertain predictors of poor outcome in mild stroke, and intravenous thrombolysis was not associated with an effect on the primary outcome. Now, again, we examine thrombolysis in “mild” stroke, in this case, NIHSS ≤3 – and fail. Like MARISS, this is a retrospective dredge of patients selected by the treating clinicians to receive either intravenous thrombolysis or, in this case, dual-antiplatelet therapy with clopidogrel

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Best of AAST 2023 #2: Immediate Postoperative Prosthesis

The Trauma Pro

Blunt vehicular trauma is the most common cause of severe lower extremity trauma, particularly motorcycle crashes. Occasionally, the injury is so severe that the limb cannot be saved, and amputation is necessary. The conventional treatment is to protect the amputation incision, provide physical therapy, and fit a prosthesis once the stump is mature.

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David Crouch will discuss the latest trends in CBRNe

Emergency Live

David Crouch, world-renowned CBRNe expert, will discuss the benefits of the PEERS initiative In anticipation of the upcoming workshop on September 29, PEERS Project is delighted to introduce you to one of our distinguished speakers, David Crouch. He currently serves as the CBRNe (Chemical, Biological, Radiological, Nuclear, and Explosives) Expertise Leader at TFC Research and Innovation […] The post David Crouch will discuss the latest trends in CBRNe appeared first on Emergency Live.

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Coumadin beats DOAC, ECMO fails, When RCTs needed, Bad COVID Policy

Sensible Medicine

Listen now (49 mins) | Mandrola and Prasad discuss

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Organoids Produce Tooth Enamel Proteins

Medagadget

Researchers at the University of Washington School of Medicine have developed a method to create stem cell-derived organoids that can produce tooth enamel proteins. The breakthrough could pave the way for lab grown enamel that can be used in dental repairs and may even allow for living fillings or completely new living teeth that can be implanted into a patient’s jaw.

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Best of AAST #1: Aspirin Vs Low Molecular Weight Heparin For VTE Prophylaxis

The Trauma Pro

The 82nd Annual Meeting of the American Association for the Surgery of Trauma begins next week. As is my custom, I will be reviewing some of the more interesting (to me) oral presentation abstracts until the last day of the meeting. When reading abstracts, keep in mind that you are seeing just a snippet of a finished manuscript. The authors are given very little print space to fully describe their research idea, their methods, and their results’ significance.

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SICS: A Story of Courage and Dedication

Emergency Live

Dogs and humans united to save lives in the water The ‘Scuola Italiana Cani da Salvataggio’ (SICS) is an outstanding organisation, both nationally and internationally, dedicated to the training of dog units specialised in water rescue. Founded in 1989 by Ferruccio Pilenga, SICS has contributed significantly to the safety of people in Italian waters and […] The post SICS: A Story of Courage and Dedication appeared first on Emergency Live.

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REBEL Core Cast 108.0 – Angioedema

RebelEM

Take Home Points: Airway management is paramount; expect a challenging intubation and consider controlling the airway early if there is apparent airway compromise. Understanding the cause of angioedema (mast cell vs. bradykinin mediated) helps dictate directed management. Urticaria and pruritus = MAST CELL mediated, which is treated like a standard allergic reaction.

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Complete Human Embryo Model Made From Stem Cells

Science Based Medicine

Researchers create an embryo model from human embryonic stem cells. The post Complete Human Embryo Model Made From Stem Cells first appeared on Science-Based Medicine.

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James: A Coast Guard Vet Turned Allied Team Lead

Core Medical Group

Meet our Allied Team Lead with 2.5 years of dedication and commitment, James. His exceptional journey in the healthcare recruitment world has earned him the role as team lead after his 16 years of service. With an impressive background in the United States Coast Guard and a passion for helping professionals find their perfect healthcare roles, James brings a unique perspective to the world of healthcare recruitment.

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EIL Systems: emergency lighting at REAS 2023

Emergency Live

EIL Systems presents the new ‘Towerlux Hybrid Power’ light tower: lighter, more powerful and portable In a world where innovation drives progress, EIL Systems stands as a beacon of light, pioneering the creation of technological solutions designed to tackle emergencies with a revolutionary approach. Its latest product, the Towerlux Hybrid Power light towers, is transforming […] The post EIL Systems: emergency lighting at REAS 2023 appeared first on Emergency Live.

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Brain Computer Interface Decodes Speech and Facial Expressions

Medagadget

Researchers at the University of California San Francisco have developed a brain computer interface that can lets someone with severe paralysis communicate with both speech and facial expressions, in the form of a digital avatar. The breakthrough advances what has been possible, with previous brain computer interface systems providing speech only, and allows people to communicate more completely, encompassing facial expressions, which are an important aspect of natural communication.

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Did a Spicy Social Media Challenge Kill a Massachusetts Teen?

Science Based Medicine

Did an absurdly spicy chip and a social media challenge kill a Massachusetts teen? His family sure thinks so, and it is possible. But skepticism is appropriate unless further details emerge. Still, these chips aren't for kids. The post Did a Spicy Social Media Challenge Kill a Massachusetts Teen? first appeared on Science-Based Medicine.

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The Story of JOWMA, the Jewish Orthodox Women’s Medical Association

Sensible Medicine

I grew up in a clinic. My mom (a pediatrician) and my uncle (a cardiologist) both had offices in the basement of our two-family home in Brooklyn. When the first floor tenants moved out, my dad (a vascular surgeon) opened an ambulatory surgery center in that apartment. Looking back, my childhood home was practically a clinic. My parents are baby boomers, born as first-generation Americans.

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Disaster in Libya, the Italian Red Cross in the front line for assistance

Emergency Live

Cyclone Daniel: over 2,000 dead and thousands missing in Libya The national president of the Italian Red Cross, Rosario Valastro, has launched an urgent appeal for international solidarity in response to the devastating cyclone Daniel that has hit north-east Libya. With over two thousand dead and thousands missing, the situation is critical, and the CRI […] The post Disaster in Libya, the Italian Red Cross in the front line for assistance appeared first on Emergency Live.

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Microneedle Skin Patch Measures Cancer Biomarkers

Medagadget

Researchers at the Harvard Wyss Institute have developed a technique that lets clinicians to characterize and monitor melanoma. The system involves using a microneedle patch that can draw deep interstitial fluid into itself through a series of penetrating hyaluronic acid needles. The needles can later be dissolved to release the biomarkers into a test tube before analysis, using a highly sensitive technique called Simoa, to detect individual biomarker protein molecules.

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Grand Rounds Recap 9.6.23

Taming the SRU

ultrasound grand rounds: bedside dvt studies - family presence in the ed/icu - r1 clinical knowledge: aicd - r3 small groups: difficult airway management Ultrasound grand rounds: DVT studies WITH Dr. minges Why should we perform bedside DVT studies in the ED? Limited availability of radiology-performed US services in certain hospitals, especially overnight Can avoid unnecessary anticoagulation in patients Reduce time in ED to disposition In terms of workflow, when there is suspicion for a DVT, y

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EM Quick Hits 51 – Methylene Blue in Septic Shock, TMJ Dislocation, Crohn’s Disease, Analgesia for Renal Colic, Inhaled Steroids for Asthma, Hypocalcemia in Bleeding Trauma Patients

Emergency Medicine Cases

On this month's EM Quick Hits podcast: Anand Swaminathan on the role of methylene blue in septic shock, Nour Khatib on jaw dislocation reduction techniques, Hans Rosenberg on a phenotypic approach to Crohn's disease emergencies, Gil Yehudaiff on evidence based analgesics in renal colic, Brit Long on the importance of inhaled steroids for asthma, and Andrew Petrosoniak on the "lethal diamond" in polytrauma patients and the current state of hypocalcemia in bleeding trauma patients.

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Morocco: local and international rescuers working to save victims

Emergency Live

Earthquake in Morocco: relief efforts amid difficulties and needs In south-western Morocco, a tragedy of devastating proportions shook the country in the night between Friday 08 and Saturday 09 September 2023. A 6.8 magnitude earthquake killed over two thousand people and left thousands of others without a roof to shelter under. The Atlas mountain range, […] The post Morocco: local and international rescuers working to save victims appeared first on Emergency Live.

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Highly Precise Pressure Sensor for Laparoscopic or Robotic Surgical Tools

Medagadget

Researchers at the National University of Singapore have developed a highly sensitive pressure sensor that can provide haptic feedback for surgeons using laparoscopic tools or for use in robotic grippers as part of robotic surgical systems. The technology is inspired by the surface of the lotus leaf, which is extremely sensitive to the pressure exerted by tiny drops of water and will repel them.

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Judge for yourself the management of this patient with "NSTEMI, multivessel disease"

Dr. Smith's ECG Blog

Sent by anonymous, edited by Pendell Meyers A man in his 50s with history only of hypertension presented with acute chest pain that started 45 minutes prior to presentation while doing yard work. It radiated to both shoulders and both upper extremities, and there was shortness of breath and diaphoresis as well. He reported a normal stress test a few years ago.

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Two Basic Medical Rules

Stop and Think

There are basic things you learn in the first month of internship. Here are two: A clinician should never order a test if the results (positive or negative) will not change what you do after the test. All interventions come with potential benefits and potential harms. A clinician must match these to the individual being treated. Much mischief occurs when these basic tenets are not followed.

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