Dr. Smith's ECG Blog

OCTOBER 1, 2024

== MY Comment , by K EN G RAUER, MD ( 8/30 /2024 ): == I was sent the ECG shown in Figure-1 — knowing only that the patient was being seen in the ED ( E mergency D epartment ). Figure-1: The initial ECG in today's case. After seeing ECG #2 — Can you explain: i ) Why no negative P wave was seen in lead V1 of ECG #1? —

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Dr. Smith's ECG Blog

DECEMBER 27, 2023

Written by Willy Frick A man in his 50s with a history of hypertension, dyslipidemia, type 2 diabetes mellitus, and prior inferior OMI status post DES to his proximal RCA 3 years prior presented to the emergency department at around 3 AM complaining of chest pain onset around 9 PM the evening prior. ECG 1 What do you think? Grines, C.

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Dr. Smith's ECG Blog

AUGUST 14, 2024

R waves 6 through 9 have no preceding P waves and are suspiciously regularly spaced. Impulses E, F, G, H, and I were blocked. Progress in Biophysics and Molecular Biology , 120 (1–3), 164–178. Science Translational Medicine , 9 (400). Figure-1: I've labeled the initial ECG in today's case to illustrate my theory.

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Pediatric EM Morsels

SEPTEMBER 22, 2023

Definition A series of hemodynamic changes related to autonomic denervation and loss of sympathetic tone. Negative E-FAST and no signs of long bone injuries should raise concern for neurogenic shock in the hypotensive trauma patient with suspected spinal injury. Alpha 1 agonists are necessary to maintain appropriate blood pressure.

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Dr. Smith's ECG Blog

SEPTEMBER 23, 2024

Here is lead I from ECGs 1 and 2 shown side-by-side to highlight the change in axis from borderline right to completely normal. Consider the following: We become attuned to looking for acute coronary occlusion in patients who present with acute symptoms to the ED ( E mergency D epartment ).

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EMDocs

NOVEMBER 13, 2024

Definition: SBP is an infection of the peritoneal ascitic fluid without an intra-abdominal focus of infection. Commonly a monomicrobial infection with gram-negative bacteria like E. Paracentesis is a safe procedure with a low complication rate (< 1%). coli (50-90% of cases). Send fluid for cell count and culture.

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REBEL EM

FEBRUARY 29, 2024

1, 2 Its occurrence often portends worse outcomes in intubated patients, whose projected hospital course was already tenuous. 1, 4, 6 The overall incidence of VAP is somewhere around 5%-40% of all intubated patients, depending on the study and country from which it is reported. 4, 8 Paper: Dahyot-Fizelier, C.,

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EMDocs

SEPTEMBER 7, 2024

1 Risk Factors: 1-4 Spontaneous Anticoagulants (Apixaban, Rivaroxaban, etc.) Older Age (median age of 70 years) 1 Abnormal vasculature/neoplasm of the kidney (e.g., 5 Clinical Presentation: 1-3 Variable presentation but may present with dropping hemoglobin/hematocrit without other findings in spontaneous cases.

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REBEL EM

MAY 25, 2023

mental status, urine output, capillary refill) is more important than an actual goal PERMISSIVE HYPOTENSTION IN PTS WITH TBI Brotfain E et al. mental status, urine output, capillary refill) is more important than an actual goal PERMISSIVE HYPOTENSTION IN PTS WITH TBI Brotfain E et al.

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REBEL EM

SEPTEMBER 27, 2023

REBEL Core Cast 109.0 – Na Channel Blocker Poisoning Click here for Direct Download of the Podcast Definition and Physiology Standard definition of a wide QRS is anything > 120 msec (3 small boxes on the ECG) In the context of poisoning, a “wide QRS” is anything greater than 100 milliseconds. 1985 Aug 22;313(8):474-9.

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REBEL EM

AUGUST 30, 2023

REBEL Core Cast 107.0 – Vertebral Osteomyelitis Click here for Direct Download of the Podcast Definition Inflammation of the vertebrae due to a pyogenic, fungal or mycobacterial organism. Epidemiology 1 to 2.4 Epidemiology 1 to 2.4 Other pathogens include: E. Often used interchangeably with osteomyelitis.

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EMDocs

JULY 17, 2023

1 While less common than small bowel obstruction (SBO), obstruction of the large bowel is more likely to be a surgical emergency and is often associated with a serious underlying condition. 1 The most common causes of non-cancer-related LBO are cecal and sigmoid volvulus. This also serves as a tool for surgical planning.

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REBEL EM

NOVEMBER 6, 2024

1998 Jan-Feb;6(1):15-23. PMID: 32644703 Robinson PM, Griffiths E, Watts AC. 2017 Jul;9(3):195-204. PMID: 29681420 Gottschalk HP, Eisner E, Hosalkar HS. 1999 Jan;13(1):58-9. J Am Acad Orthop Surg. doi: 10.5435/00124635-199801000-00002. PMID: 9692937 Decker N, Norse A. Anterior Elbow Dislocation. 2022 Aug 2.

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Dr. Smith's ECG Blog

NOVEMBER 11, 2024

The ECG shows sinus rhythm with a rate of about 78 and 2:1 AV conduction along with right bundle branch block and left anterior fascicular block. 2:1 block is a special case, because the tracing lacks successive PR intervals. I have labeled the P waves below for ease of reference: P waves 8 and 9 both conduct to the ventricles.

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ALiEM

OCTOBER 30, 2023

It should be no surprise that academic clinical educators are at high risk for burnout, stalled career advancement, and abandonment of academic medicine altogether [1, 2]. Let’s start with the obligatory definition of coaching. 2022; 11(1):45-52. 2019 Nov 27;4(Suppl 1):S130-S139. But what can Dr. Garcia – or you – do?

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Dr. Smith's ECG Blog

JULY 22, 2023

A prior ECG from 1 month ago was available: The presentation ECG was interpreted as STEMI and the patient was transferred emergently to the nearest PCI center. Patients that develop a Type 1 pattern without any precipitating or provoking factors have a risk of SCD of 0.5-0.8% per year incidence of SCD in this cohort [1].

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Dr. Smith's ECG Blog

OCTOBER 24, 2018

A 40-something male presented with dyspnea and left arm numbness, and perhaps some chest tightness, for 1 1/2 hours. Therefore, this does not meet the definition of myocardial infarction ( 4th Universal Definition of MI ), which requires at least one troponin above the 99% reference range. But maybe not. Thelin et al.

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Don't Forget the Bubbles

JUNE 30, 2023

He has already climbed Ben Nevis in Scotland, visited the Gobi desert (possibly from the comfort of his parents 4 x 4, but who’s judging) and has his bronze D of E nailed. She calls out her findings: A – OK B – 1 puncture mark to the anterior left chest wall, covered with a three-sided dressing. Actively oozing.

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Dr. Smith's ECG Blog

NOVEMBER 14, 2023

Learning Point: 1. For examples of such exceptions — See My Comment in the January 9, 2019 — August 22, 2020 — and June 30, 2023 posts in Dr. Smith's ECG Blog ). Figure-1: Comparison between the first 3 ECGs in today's case. How Would YOU Interpret the Serial Tracings in Figure-1? No wall motion abnormality identified.

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Don't Forget the Bubbles

JUNE 17, 2024

The lack of consistent definitions in the literature makes it difficult to report its true prevalence and hampers efforts to combat it. Here are ten things to think about: 1. Churruca K, Pavithra A, McMullan R, Urwin R, Tippett S, Cunningham N, Loh E, Westbrook J. 2014 Jun 26;23(12):653-9. 2020 Jan 1;35(1):70-6.

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EMDocs

MAY 25, 2024

On examination, she has erythema and tenderness overlying her left parotid gland. Massaging the gland causes expression of purulent material. What is the diagnosis?

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EMS 12-Lead

APRIL 28, 2022

Initial vital signs include: NIBP 99/58 HR 150-160 (trend) RR 10 (spontaneous, but shallow) SpO2 86 (RA) BBS CTA The initial rhythm strip is attached: Figure 1 There is a wide complex tachycardia of varying morphology, amplitude, and R-R cycle length. A prominent vertical scar, however, is noted at the sternum.

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ACEP Now

JANUARY 9, 2024

FIGURE 1: Abdominal X-ray showing particulate radiopaque foreign bodies involving the stool. 1 Children are particularly vulnerable. 9 Lead exerts its toxic effects by interfering with various organ functions, primarily targeting the nervous system and hematopoietic system, as well as impairing liver and kidney functions.

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Dr. Smith's ECG Blog

MARCH 1, 2023

It is unclear to me whether this case could represent 1) simple supply/demand mismatch due to increased demand from epinephrine, 2) Kounis syndrome (usually described as mast cell mediated coronary vasospasm during allergic reaction), 3) brief autolysed left main or LAD ACS with no findings on later echo and CT coronary angio, or 4) something else.

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EMDocs

MARCH 30, 2024

Comprehensive physical exam is unremarkable, but she does have pain at the T-12/L-1 region of her back. Her patellar reflexes are 1+ bilaterally, no ankle clonus is noted, and she denies any saddle anesthesia or bowel/bladder incontinence. CT of lower spine is ordered and shows the following: 1 What is the diagnosis?

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ACEP Now

NOVEMBER 14, 2023

The definition of massive hemoptysis is variable across publications with expectorated blood volumes ranging from 100 to 1,000 mL per 24 hours, as these volumes are difficult to estimate for any given patient. or 9 size endotracheal tube to allow for bronchoscopy and/or endobronchial blocker placement whenever necessary.

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ACEP Now

MARCH 14, 2024

Tracheo-innominate fistula (TIF) is an unusual and frequently lethal complication of such definitive airway placement. 1 percent of tracheostomies. 9 There may be no time in which to perform a CT scan, and as noted above, CTA and laryngoscopy may show no remarkable findings of fistula. 2005;128: 3906-9. 2021;4(30):1-4.

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Don't Forget the Bubbles

AUGUST 28, 2023

A biopsy is often ultimately required for a definitive diagnosis. You contact ICU, anaesthetics, ENT, and oncology with a plan to attempt more definitive imaging in the prone position (which Ginny tells you is much comfier) What’s the evidence for our emergent management? 2014;9(9):S102-S109. 2019;43(1):98-103.doi:10.1097/RCT.0000000000000782

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Don't Forget the Bubbles

JULY 22, 2024

study from 200 9. A large proportion of the trials come from Finland (3) and The UK (2) and also from Australia (1) and the US (1), but only a small number took place in the ED. Castro-Rodriguez JA, Beckhaus AA, Forno E. 2019 Aug;9(8):e028511. 2023 Sep 9 [cited 2024 Jan 30];62(suppl 67). months to 40.9

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EMDocs

FEBRUARY 26, 2024

1 While PJP gained significant recognition among HIV-positive adults during the early AIDS epidemic, the growing utilization of immunosuppressants has resulted in an increased incidence of the disease in individuals who are HIV-negative. 9 The signs and symptoms of PJP infection are non-specific. for detecting pulmonary opacities.

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Dr. Smith's ECG Blog

MARCH 9, 2023

He had episodes of chest pain off and on all night, until about 1 hour prior to arrival when the pain became constant, crushing, 10/10 chest pain that radiated to both arms. Hyperacute T waves do not yet have a formal research definition, but are likely defined best by an increased ratio of area under the curve compared to their QRS complex.

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EMDocs

NOVEMBER 18, 2023

A point of care ultrasound of the liver reveals the following: Image 1: Ultrasound of the liver showing abnormal hepatic artery flow and resistance index 1 Question: What is the diagnosis? Rosh Review Website Link References 1) Karmazyn B, Sağlam D, Rao GS, Jennings SG, Mangus RS. In: Molmenti E, Santibañes M, Santibañes E.

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EMS 12-Lead

AUGUST 22, 2022

Question 1: What is the rhythm? They are not premature, by definition. Beat 1 : Sinus, narrow QRS complex. The assumption is that a premature complex discharged prior to Beat 1, which prolonged its respective refractory period in the same manner as Beat 5. The green arrows, however, do show premature complexes.

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Dr. Smith's ECG Blog

NOVEMBER 15, 2023

Post cath ECG: Now there are hyperacute T-waves again, and recurrent ST depression in V2 This ECG would normally diagnostic of OMI until proven otherwise No further troponins were measured, but it looks like there is recurrent OMI Next day: A CT Coronary Angiogram was done (CTCA) CARDIAC MORPHOLOGY AND FUNCTION: 1. IMPRESSION: 1.

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ACEP Now

NOVEMBER 8, 2024

Historically, the endotracheal tube (ETT) has been considered the definitive airway of choice in both the prehospital and in-hospital setting. 1 Prehospital endotracheal intubation and EGAs are typically placed without paralytics and are reserved for unconscious, apneic, and out-of-hospital cardiac arrest patients. 2014;4(1):77-87.

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Don't Forget the Bubbles

FEBRUARY 26, 2024

2007 Jan 1;25(1):6-9. Start low and increase for the comfort/tolerance of the patient and talk to the patient throughout the process. Beers SL, Abramo TJ, Bracken A, Wiebe RA. Bilevel positive airway pressure in the treatment of status asthmaticus in pediatrics. The American journal of emergency medicine. Frontiers in Pediatrics.

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Dr. Smith's ECG Blog

APRIL 22, 2022

But these cases show the potential dangers of delayed recognition and treatment of inferior reperfusion Take away 1. ECG’s can be labeled as ‘normal’ by the computer (and confirmed by cardiology) even with diagnostic signs of occlusion or reperfusion References 1. JAMA Intern Med 2019 9. Am J Med [Internet] 2017;130(9):1076–83.e1.

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