Dr. Smith's ECG Blog

DECEMBER 19, 2023

link] A 62 year old man with a history of hypertension, type 2 diabetes mellitus, and carotid artery stenosis called 911 at 9:30 in the morning with complaint of chest pain. Challenge QUESTION: The relative change in T-QRS-D is not the only thing that changes during period of time that passed between recording of the 2 ECGs shown in Figure-1.

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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). increase in mortality.

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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). Janssen, P. & Fedorov, V. link] Li, N., Hansen, B. Ignozzi, A. Zakharkin, S.

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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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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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EMS E-9-1-1 Operating Room OR 74

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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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

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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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 ). Answer : Bedside ultrasound!

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REBEL EM

NOVEMBER 6, 2024

Elbow Dislocation Definition: Disarticulation of the proximal radius & ulna bones from the humerus Epidemiology: Incidence Second most common joint dislocation (after shoulder) in adults Most commonly dislocated joint in children Accounts for 10-25% of all injuries to the elbow ( Cohen 1998 ) Posterolateral is the most common type of dislocation (..)

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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. She likes teaching, but are not sure residency or medical student education leadership is for her.

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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.

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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% He denied chest pain or shortness of breath.

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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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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. RR 25-30. 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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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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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. cognitive rehearsal techniques ). Organizational dynamics.

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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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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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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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Don't Forget the Bubbles

JULY 22, 2024

study from 200 9. However, there was no difference in LOS (83 minutes for placebo vs 79 minutes for prednisolone) in participants who were discharged straight from the ED ( 32% ). Compare this with the Panickar et al. The children were younger (10-72 months, mean 25 months) were younger.

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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. It occurs after an estimated 0.1-1

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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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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? As clinicians, we need to be prepared.

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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. 0 C, and has no jaundice.

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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. Said differently, it’s a mess. slowing of the heart rate).

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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? She came today because her sister is a nurse who noticed her eyes were yellow. She denies fever or a new rash. LFTs are in the thousands.

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Don't Forget the Bubbles

FEBRUARY 26, 2024

Add in PEFR <33% and SpO2 <92% Management of acute asthma* * as per BTS guidelines Acute asthma is managed in a stepwise fashion using the following guidelines. Intubation, however, can be a significant challenge in these patients.

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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.

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Don't Forget the Bubbles

MAY 6, 2024

Article 1: Positive urine cultures without pyuria Wang ME, Jones VG, Kane M, et al. Article 1: Positive urine cultures without pyuria Wang ME, Jones VG, Kane M, et al. Clinical Course of Children 1 to 24 Months Old With Positive Urine Cultures Without Pyuria. 2024;24(1):111-118. Acad Pediatr. doi:10.1016/j.acap.2023.06.023

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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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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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REBEL EM

JULY 3, 2023

Investigators enrollend 660 patients in 9 years in 5 EDs; or approximately 6 patients per month; or 1 patient per /month for each ED. The primary purpose of Table 1 is to provide a summary of baseline characteristics and demographics of the study population, presenting data in a clear and organized manner.

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FOAMfrat

OCTOBER 20, 2023

As reported within the 6th edition Manual of Emergency Airway Management, there are cardiac arrest rates between 1% and 4%, with other complications (mostly hypoxemia and hypotension) as high as 30% in patients with first-pass success [1, pg 29; 4-10]. Why is Physiologic Optimization Important? Up to 44% per other sources [12].

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EMDocs

MARCH 4, 2024

A wide variety of conditions can result in either type of cholestasis (Figure 1). 1 Extrahepatic obstruction is due to mechanical obstruction occurring downstream of the hepatic ducts such as pancreatic disease, gallstone obstruction of the common bile duct, and cancer. 9 How are cholestatic labs defined?

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