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

OCTOBER 19, 2024

to 1 case per 100,000 children. 2][3] Definitive diagnosis is made by laryngoscopy or bronchoscopy showing normal or mildly erythematous epiglottis and an erythematous, edematous trachea with thick mucopurulent exudates. [3] 2][3][9] Glucocorticoid were not shown to alter clinical course or patient outcomes. [2][3]

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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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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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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. All you know, back in ED, is that the ETA is 10 minutes, and there is a single stab wound to the chest. A PEM Adventure Ranulf is a 14-year-old explorer.

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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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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

SEPTEMBER 7, 2024

A 70-year-old female with a past medical history of hypertension, coronary artery disease s/p 2x drug eluting stent placement one month ago, atrial fibrillation on apixaban presents to the ED with weakness and lightheadedness. 1 Risk Factors: 1-4 Spontaneous Anticoagulants (Apixaban, Rivaroxaban, etc.)

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Dr. Smith's ECG Blog

NOVEMBER 14, 2023

Here is the first ED ECG recorded, now pain free after sublingual Nitro: There is what appears to be a reperfusion T-wave in I and aVL. 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 ).

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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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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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Dr. Smith's ECG Blog

JULY 22, 2023

An ECG was performed in the ED at 1554: Original image unavailable, this is the only recorded scanned ECG available. 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. per year incidence of SCD in this cohort [1].

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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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EMDocs

NOVEMBER 18, 2023

A 32-year-old female with a history of hypertension and autoimmune hepatitis status post liver transplant 6 weeks prior on tacrolimus and mycophenolate presents to the ED with abdominal discomfort. What are the complications of liver transplant that we see in the ED? We’ll keep it short, while you keep that EM brain sharp.

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Don't Forget the Bubbles

JUNE 17, 2024

The Importance of Civility in Critical Care Resuscitation A 3-year-old patient with diabetic ketoacidosis arrives at your ED. 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. 2014 Jun 26;23(12):653-9.

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Dr. Smith's ECG Blog

NOVEMBER 15, 2023

[link] Case continued She arrived in the ED and here is the first ED ECG. IMPRESSION: 1. We know that most type 1 acute MI due to plaque rupture and thrombosis occurs in lesions that are less than 50% (see Libby reference). I don't know if her pain was getting better or not. The Queen no longer thinks it is OMI.

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Don't Forget the Bubbles

DECEMBER 16, 2024

Coverage of the 6-in-1 vaccine measured at 12 months of age in England for Q4 2023 to 2024 Source: ONS under the Open Government License v3.0 Young infants and immunosuppressed individuals are particularly at risk of severe disease, resulting in significant morbidity and associated mortality rates of 1-3 per 1,000 cases.

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REBEL EM

JULY 3, 2023

Background: Atrial fibrillation and atrial flutter with rapid ventricular rate (AF/AFL with RVR) are the most common subtypes of SVT, comprising a large number of ED visits in aging populations. Investigators enrollend 660 patients in 9 years in 5 EDs; or approximately 6 patients per month; or 1 patient per /month for each ED.

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EMDocs

MARCH 4, 2024

Case: A 45-year-old woman presents to the emergency department (ED) with itching to bilateral palms. A wide variety of conditions can result in either type of cholestasis (Figure 1). 9 How are cholestatic labs defined? 1 In cholestatic injury, increased reflux of bile salts into hepatocytes causes increased translation of ALP.

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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. Arch Dis Child Educ Pract Ed.

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REBEL EM

JANUARY 23, 2023

Patients were randomized in a 1:1 ratio. Key Secondary Endpoints: 5 (3.9%) patients in the IV cetirizine group returned to any ED or clinic within 24 hours compared to 15 (11.1%) in the IV diphenhydramine group; P=0.04 Risk of first-generation H(1)-antihistamines: a GA(2)LEN position paper. 2005 Sep;116(3):643-9.

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Dr. Smith's ECG Blog

MAY 30, 2023

Here is his ED ECG: There is bradycardia with a junctional escape. We recorded an ECG in which V1-V3 were put in the position of V4R-V6R, and V4-6 were placed in V7-9 to (academically) confirm posterior OMI. 1 mg of Atropine was given and the heart rate increased transiently to 60. He appeared gray in color, with cool skin.

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Dr. Smith's ECG Blog

JULY 21, 2019

These are reasons why it does not look like OMI: 1. Definitive diagnosis is by MRI. Serial Troponins remained in the 9-11 range, w/o any large rise and/or fall, also atypical for OMI. The ECG was repeated 12 minutes later ( = E CG # 2 ). A 3rd ECG was recorded 2 hours later ( = E CG # 3 ). flat ST segment in V4 2.

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Dr. Smith's ECG Blog

MARCH 1, 2023

Sent by anonymous, written by Pendell Meyers A man in his late 40s presented to the ED with concern for allergic reaction after accidentally eating a potential allergen, then developing an itchy full body rash and diarrhea. In the ED he received methylprednisolone, diphenhydramine, and epinephrine for possible anaphylaxis.

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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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Don't Forget the Bubbles

MAY 6, 2024

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. Arch Dis Child Fetal Neonatal Ed. Giannoni, E., Acad Pediatr. doi:10.1016/j.acap.2023.06.023 Epub ahead of print.

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Dr. Smith's ECG Blog

SEPTEMBER 10, 2023

References: 1) See this study showing an association between morphine and mortality in Non-STE-ACS: Meine TJ, Roe M, Chen A, Patel M, Washam J, Ohman E, Peacock W, Pollack C, Gibler W, Peterson E. Setting – large, academic, suburban ED. Figure-1: The initial ECG in today's case.

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ACEP Now

JANUARY 9, 2024

A 3-year-old male was brought to the emergency department (ED) by his mother, who reported the sudden onset of a rash (hives) covering his entire body, with no rash on his palms and soles. FIGURE 1: Abdominal X-ray showing particulate radiopaque foreign bodies involving the stool. 1 Children are particularly vulnerable.

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Don't Forget the Bubbles

OCTOBER 19, 2023

Babie Junior, or Bee for short, was the definition of a cute, delightful baby. You, however, are working an ED shift, and when you see the name “Barbie Junior” on your computer screen, your heart does a flutter. It can be in started in the ED, and many of us are already using it. What were Barbie and Ken to do?

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ACEP Now

NOVEMBER 14, 2023

One of the most hair-raising presentations to the emergency department (ED) can be massive hemoptysis with respiratory failure. 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.

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Don't Forget the Bubbles

FEBRUARY 26, 2024

A 6-year-old known asthmatic presents to ED with a two-day history of cough and coryza, worsening wheeze and work of breathing over the last day. 2007 Jan 1;25(1):6-9. Non-invasive BiPAP can be a successful ventilation strategy for status asthmaticus, removing the need for intubation and the complications associated with this.

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Dr. Smith's ECG Blog

SEPTEMBER 27, 2019

. == MY Comment by K EN G RAUER, MD ( 9/27/2019 ): == As suggested by the title of this Blog post — confirmation of the diagnosis in this case was made not by ECG — but instead by chest aorta CT ! For clarity — I’ve put these first 2 tracings together in Figure-1. Figure-1: The first 2 ECGs in this case ( See text ).

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Dr. Smith's ECG Blog

JANUARY 19, 2020

On arrival in the ED, she was profoundly hypotensive, nearly obtunded, and bradycardic. Another ECG was obtained during pacing: Mostly paced rhythm with PVCs (#3, #6, #9, #12). The ED team again pointed out the evidence of inferoposterior OMI, this time by the modified Sgarbossa criteria. mm STE with 9.5 mm STE with 9.5

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Dr. Smith's ECG Blog

JANUARY 30, 2019

The pattern of STE and STD reminded us of Brugada Type 1 morphology. Smith comment: 1) Brugada ECG may have ST shifts in limb leads as well as precordial leads. 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

FEBRUARY 16, 2019

mm in just one lead V7-9), but as far as I can tell all of these documents specifically avoid calling this condition STEMI and specifically avoid using any terminology similar to "STEMI equivalent." I find this definition problematic because the maximal STD in posterior OMI frequently extends out to V4 rather than V3.

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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

JANUARY 31, 2019

= Presentation by K EN G RAUER, MD : = T he C ase : A previously healthy young man presented to the ED for shortness of breath and chest pressure that occurred ~3 hours earlier, when he suddenly felt his heart skip a beat, and then begin racing. Figure-1 shows his initial ECG that was obtained in the ED. We see this in Figure-4.

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