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

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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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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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. PMID: 26316526 Boody B, et al.

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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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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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Dr. Smith's ECG Blog

AUGUST 14, 2024

R waves 6 through 9 have no preceding P waves and are suspiciously regularly spaced. Depolarization wavefronts exit the sinus node through one or several sinoatrial conduction pathways (SACP) as seen in the histology section below taken from Li et al. Impulses E, F, G, H, and I were blocked. This is consistent with sinus rhythm.

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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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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

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. A recent study by Gaborit et al. 9 The signs and symptoms of PJP infection are non-specific.

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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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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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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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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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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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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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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

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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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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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. Thelin et al.

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REBEL EM

JULY 3, 2023

Article: Rossi N et al. 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 inclusion of p-values in Table 1 might lead to misinterpretation or improper use of statistical significance. Am J Emerg Med.

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Don't Forget the Bubbles

JANUARY 10, 2024

A definitive trial was needed to help establish the best transfusion practices to prevent child mortality in LMICs. Maitland K, Olupot-Olupot P, Kiguli S, et al. doi:10.1056/NEJMoa1900100 Maitland K, Kiguli S, Olupot-Olupot P, et al. The study asked TWO questions: 1. N Engl J Med. 2019;381(5):420-431.

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REBEL EM

AUGUST 21, 2023

In response to this critical issue, the TAME Cardiac Arrest Trial has been launched as a definitive phase III multi-center randomized controlled trial for resuscitated cardiac arrest patients. Paper: Eastwood G, et al. PMID: 33571603 Part 9: Post–cardiac arrest care | circulation – aha/ASA journals. N Engl J Med.

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Dr. Smith's ECG Blog

NOVEMBER 9, 2023

Over the last 1 week, her exertional chest pain became worse both in intensity and triggering threshold. link] Shvilkin et al. This case fits this definition of cardiac memory. == MY Comment , by K EN G RAUER, MD ( 11/9 /2023 ): == I found Dr. What Can Sometimes Be Learned from Intermittent BBB Conduction!

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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. Giannoni, E., Acad Pediatr. doi:10.1016/j.acap.2023.06.023 2023.06.023 What’s it about? Schlapbach, L.J., Hagenbuch, N.,

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Dr. Smith's ECG Blog

FEBRUARY 28, 2020

4 important features that indicate acute right hear strain: 1. Kosuge et al. In this study, (quote) "negative T waves in leads III and V 1 were observed in only 1% of patients with ACS compared with 88% of patients with APE (p less than 0.001). Witting et al. Finally, Stein et al. Tachycardia (or nearly) 2.

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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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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. Backus BE, Six AJ, Kelder JC, et al. JAMA Intern Med 2019 9.

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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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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. Scalise P, Prunk SR, Healy D, et al.

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Don't Forget the Bubbles

FEBRUARY 26, 2024

In 2015, Silva et al. 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. What is the evidence for NIV in status asthmaticus Although there is some evidence for the use of NIV in status asthmaticus, there are few randomised control trials.

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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 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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AAEM RSA

APRIL 1, 2021

1 The American College of Surgeons’ (ACS) Trauma Quality Improvement Program (TQIP) Massive Transfusion in Trauma Guidelines leave a good amount of flexibility for hospitals regarding transfusion protocols, focusing more on systems-level aspects of designing and implementing MTPs.2,3 Holcomb JB, Tilley BC, Baraniuk S, et al.

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REBEL EM

SEPTEMBER 26, 2022

Article: Kumar M et al. 2020;71(1):235-246. Plt 37×10^9/L and 40×10^9/L, SOC and TEG, respectively) All patients enrolled had an upper endoscopy and verified the source of bleeding. Hepatology. Significant coagulopathy: INR > 1.8 Significant coagulopathy: INR > 1.8

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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]. And according to a paper from Russotto et al.

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Dr. Smith's ECG Blog

JANUARY 5, 2020

There are 5 other rhythms that are irregularly irregular , though atrial fibrillation is by far the most common: 1. However, incorrect automated and physician overread interpretations are common and have been shown to adversely affect patient management [ 1 ]. Taggar et al. Hwan Bae et al. Among, 2447 ECGs, Mant et al.

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