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?

E-9-1-1 99

E-9-1-1 STEMI ED OR 99

Pediatric EM Morsels

OCTOBER 27, 2023

Initially tested in Johannesburg, South Africa: 1 month old to 12 years old Broselow predicted within 10% of weight in 63.6% Reduces dosing errors during resus, up to 33.88%. Recommended by ATLS and PALS. Broselow-Luten System: Supportive Data Physician estimates of weight can underdose children by 49% or overdose by up to 116%. x exp[0.02

E-9-1-1 269

E-9-1-1 Emergency Medical Services Life Support ALS 269

Dr. Smith's ECG Blog

OCTOBER 3, 2024

This was sent to me from Sam Ghali ( @EM_Resus ) with no other information. I agree, however: 1) I don't think you can get a good enough ech o without bubble contrast. 3) E cho is another step that takes time. I had only 9 false positives but I missed 2 OMI. I assumed it was a patient with acute chest pain. Full text !

E-9-1-1 110

E-9-1-1 Coronary ALS ED 110

ALiEM

MARCH 7, 2024

Ultrasound probes from left to right: linear (nenoates), phased array (infants/younger children), and curvilinear (older children/adolescents) Pro tips for performing renal/bladder POCUS on a child [1] Addressing potential anxiety leads to a more efficient and comfortable examination. Pre-warmed ultrasound gel is helpful when available.

E-9-1-1 177

E-9-1-1 Emergency Department ALS ED 177

Pediatric EM Morsels

FEBRUARY 2, 2024

While there is no “right” work up for these patients, hopefully this morsel will help illuminate your evaluation of Travel-Related Illness in Children: Travel-related Illness: Basics International travel has been significantly increasing since commercial airlines made travel much easier. A study of swiss tourists found they compromised 53.4%

E-9-1-1 161

E-9-1-1 ED OR Emergency Department 161

ALiEM

MAY 13, 2024

Her symptoms started 1 week ago as a scratch which progressively got more red and painful. Pediatric Soft Tissue POCUS Ultrasound Technique Figure 1. Cellulitis with cobblestoning Video 1. Abscess with irregular borders and surrounding cellulitis E. Superficial abscess with well-circumscribed borders Table 1.

E-9-1-1 161

E-9-1-1 ALS Emergency Department OR 161

ALiEM

MAY 19, 2023

The SB tube was created in 1950 in order to help tamponade variceal bleeds [1]. Apply traction to the tube by tying a roller bandage to the end of it and then the other end to a 1 L bag of IV fluids. Pearl 1: Check the units of pressure being used. The conversion rate is: 1 cmH2O = 0.74 1950 May;131(5):781-9.

E-9-1-1 245

E-9-1-1 Emergency Department ICU OR 245

ALiEM

AUGUST 16, 2023

Common agents include local anesthetics, dapsone, quinones, sulfonamides, phenazopyridine, and nitrites [1, 2]. Treatment for methemoglobinemia in G6PD deficiency may consist of ascorbic acid, exchange transfusion, and hyperbaric oxygen [7, 9]. PMID 23953868 Mack E. What are the symptoms of Methemoglobinemia? doi:10.1053/j.jvca.2013.02.005.

E-9-1-1 130

E-9-1-1 ALS OR 130

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.

E-9-1-1 93

E-9-1-1 OR ALS 93

ALiEM

AUGUST 9, 2023

Technique Positioning and Probe Figure 1: Younger children can sit in their parent’s lap and give a hug for lateral and posterior lung scanning. The patient should be in a position of comfort: supine, sitting, or in parent’s lap (Figure 1). Identify anatomical landmarks on ultrasound (Figure 3, Video 1).

E-9-1-1 246

E-9-1-1 Emergency Department ALS OR 246

Dr. Smith's ECG Blog

DECEMBER 11, 2023

Moreover , the patient has ongoing symptoms and has an unexplained elevated troponin, so she is having an MI and the only question is whether it is type 1 or type 2 due to hypertension. Case continued She was loaded with aspirin 325 mg, and repeat troponin drawn around the time of EKG 1 resulted at 267 ng/L. At midnight. At midnight.

E-9-1-1 121

E-9-1-1 ACS Coronary STEMI 121

Pediatric EM Morsels

APRIL 5, 2024

Time from tick bite to onset of symptoms generally ranges from 1 week to 4 weeks but can start within 2 days (CDC 2022) Tick-Borne Encephalitis can also be transmitted in unpasturized dairy. These resolve within 1 week. 2004 Nov 15;39(10):1493-9. 2018 Mar; 3(1): 8. 2024 Jan 25;78(1):80-89. Clin Infect Dis.

E-9-1-1 161

E-9-1-1 ALS OR EMS 161

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]. After spending her first year acclimating to the new department and achieving board certification, Dr. Garcia finds herself at a bit of a crossroad. In short, no.

E-9-1-1 161

E-9-1-1 ALS OR 161

EMDocs

JANUARY 17, 2024

1) There are a limited number of antitussives on the US market which include benzonatate, codeine, dextromethorphan, diphenhydramine, and hydrocodone. 9) The safety announcement highlighted the mortality risk of exploratory ingestions in children under 10 years. What are the treatment options for a benzonatate overdose?

E-9-1-1 67

E-9-1-1 Overdose Emergency Medical Services Life Support 67

Dr. Smith's ECG Blog

JUNE 17, 2024

Pain improved to 1/10 after EMS administers 324 mg aspirin and the following EKG is obtained at triage. If this EKG were handed to you to screen from triage without any clinical information, what would you think? found normal ECGs in only 3 of 50 patients with massive PE, and 9 of 40 with submassive PE. What do you think?

E-9-1-1 136

E-9-1-1 ACS Emergency Department Coronary 136

REBEL EM

NOVEMBER 30, 2023

Article: Vaeli Zadeh A, Wong A, Crawford AC, Collado E, Larned JM. Guideline-based and restricted fluid resuscitation strategy in sepsis patients with heart failure: A systematic review and meta-analysis [published online ahead of print, 2023 Aug 9]. References: Vaeli Zadeh A, Wong A, Crawford AC, Collado E, Larned JM.

E-9-1-1 122

E-9-1-1 ALS ACS ICU 122

EMDocs

APRIL 10, 2024

1-5] Since then, many more medications have been developed and deployed. 1-5] This post focuses on the identification and management of Local Anesthetic Systemic Toxicity (LAST). 3-5,7] Symptom onset is usually within 1 minute of intravascular injection but can be delayed if multiple injections or continuous infusion. [5]

E-9-1-1 92

E-9-1-1 Plasma Epinephrine Life Support 92

REBEL EM

JANUARY 25, 2024

What They Did: Design: Randomized, controlled, blinded-outcome trial Sites: Three emergency departments in Denmark Duration: October 9, 2019 to May 26, 2021. Patients : Compared standard of care to serial US plus stand care in patients with dyspnea. to −0.66) and −1.66 (95% CI −2.09 to −0.78) and -1.97 (95% CI −2.70

ED 130

ED E-9-1-1 Emergency Department ALS 130

EMDocs

SEPTEMBER 23, 2023

Answer : Brugada Syndrome Epidemiology and Etiology Rare genetic disorder that affects approximately 1 in 5,000 individuals worldwide 1. More common in males than females, with a male-to-female ratio of approximately 8:1 1. Type 1 “Brugada sign” The only type that is considered diagnostic.

E-9-1-1 83

E-9-1-1 EMS ALS Defibrillator 83

Don't Forget the Bubbles

JUNE 17, 2024

Exposure impairs information sharing and overall team collaboration. Here are ten things to think about: 1. Churruca K, Pavithra A, McMullan R, Urwin R, Tippett S, Cunningham N, Loh E, Westbrook J. Clinicians have reported similar rates, with non-consultant doctors particularly affected. cognitive rehearsal techniques ).

E-9-1-1 105

E-9-1-1 Critical Care CPR ICU 105

EMDocs

FEBRUARY 7, 2024

Despite a plateau in overall union membership of around 10% in 2023 1 , major labor actions shook the U.S. Trainees and attending providers should be informed about both the opportunities that come with unionization, as well as the challenges that come with managing strikes. 2023 October 9. and readmissions increased by 6.5%

E-9-1-1 76

E-9-1-1 Ambulance OR 76

Don't Forget the Bubbles

SEPTEMBER 13, 2023

An expert committee appraised the evidence behind recommendations to avoid imaging to inform the 2022 NICE guidance. When considering tumours, 37 observation studies involving 2661 children found that 3% (95% CI 1-7%) had tumours. The parents of 18-month-old Susie brought her to the Emergency Department after she had a seizure at home.

E-9-1-1 131

E-9-1-1 Emergency Department ALS OR 131

Don't Forget the Bubbles

NOVEMBER 29, 2023

Intensive Care Research , 1 (3-4), pp.60-64. Education and re-education should be offered where this information or knowledge is lacking, whether in the pre-hospital or hospital settings. Tragically, several attempts at resuscitation upon arrival at the emergency department were unsuccessful. This article is based on: Mayberry, H.,

E-9-1-1 135

E-9-1-1 Emergency Department ED CPR 135

REBEL EM

FEBRUARY 5, 2024

Sites: Investigators recruited patients at 31 French emergency departments at university and nonuniversity hospitals Duration : June 1, 2009 to March 31, 2015. Recurrence of pneumothorax within 1 year. They concluded that more research of higher quality is needed to strengthen the evidence in favor of one technique over the other.

E-9-1-1 105

E-9-1-1 ALS Emergency Department OR 105

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.

E-9-1-1 107

E-9-1-1 Coronary EMS ED 107

REBEL EM

JULY 3, 2023

Critical information such as HR, SBP, drug administration times were occasionally missing. Investigators enrollend 660 patients in 9 years in 5 EDs; or approximately 6 patients per month; or 1 patient per /month for each ED. Hypotension in these patients can complicate management.

E-9-1-1 98

E-9-1-1 EMR Emergency Department ED 98

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?

EMS 89

EMS E-9-1-1 Emergency Department Ambulance 89

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.

E-9-1-1 87

E-9-1-1 ED ALS OR 87

FOAMfrat

MAY 19, 2024

" The patient’s mother informed us that the patient suffers from PDCD and is generally non-verbal but interactive with limited motor function. While transporting to the emergency department, the patient’s mother informed me that PDCD affects less than 1 in 50,000 individuals and is more common in males than females.

E-9-1-1 97

E-9-1-1 ALS Emergency Department EMT 97

EMDocs

MAY 11, 2024

CT head without contrast 1 is performed and reveals the following: Question: What is the diagnosis? On exam, the patient opens eyes to voice, has extraocular movements intact, is unable to speak, and has 0/5 strength in all extremities. The patient was intubated for acute hypercapnic and hypoxic respiratory failure and airway protection.

EMS 88

EMS E-9-1-1 ALS OR 88

Dr. Smith's ECG Blog

JANUARY 13, 2024

Spikes 2, 3, 4, 5, 7, 8, and 9 all occur either during or immediately after P waves which should never happen. He had routine follow up for the mitral valve clip approximately 1 month after the procedure, and the note indicated recognition of atrial lead dislodgement on the CT scan from the hospitalization a few weeks prior.

E-9-1-1 102

E-9-1-1 OR Emergency Department 102

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.

E-9-1-1 72

E-9-1-1 Critical Care OR ALS 72

REBEL EM

OCTOBER 26, 2023

1–4 Antimicrobial resistance is a global health crisis, underscoring the importance of antibiotic stewardship. After consent, children were randomized 1:1 to receive 5 additional days of antibiotics or 5 days of a matching placebo. Investigators assessed clinical outcomes via 2 in-person visits on days 11–14 and days 24–30.

E-9-1-1 81

E-9-1-1 OR Emergency Department ALS 81

Don't Forget the Bubbles

SEPTEMBER 16, 2023

You will find the list is broken down into four sections: 1.Reviews 2023 Aug 9. ’: The ethics of information sharing with parents in paediatric care. Bouthry E, et al. Screen Time at Age 1 Year and Communication and Problem-Solving Developmental Delay at 2 and 4 Years. 2023 Aug 31;389(9):795-807.

E-9-1-1 75

E-9-1-1 ALS OR ED 75

Don't Forget the Bubbles

JANUARY 17, 2024

Closer to home, the New South Wales Poisons Information Centre (NSWPIC) reported 129 incidents involving water-absorbing beads since 2004. Around 80% of those reported pass spontaneously, with another 10-20% requiring endoscopic removal and only 1% requiring surgical intervention. Here, a water bead had been aspirated. Metro, D.C.,

E-9-1-1 111

E-9-1-1 ALS Emergency Department OR 111

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

E-9-1-1 75

E-9-1-1 Emergency Department OR ALS 75

REBEL EM

SEPTEMBER 26, 2022

It provides highly descriptive, real-time information on clot formation, clot strength, platelet function, and fibrinolysis, which is superior to traditional coagulation tests such as INR, aPTT, and platelet count. 2020;71(1):235-246. TEG analyzes the interaction between platelets and the coagulation cascade. Article: Kumar M et al.

FFP 52

FFP E-9-1-1 ICU ALS 52