Dr. Smith's ECG Blog

MARCH 19, 2019

This patient presented with weakness, decreased urine output, and vomiting: What is the ECG diagnosis? Here was a repeat ECG: QTc 523. The value of recognizing this particular ECG pattern — is that it may expedite your clinical diagnosis even before laboratory results return. This is pathognomonic for hypocalcemia.

EKG/ECG 52

EKG/ECG Seizures Stroke Operations 52

The Skeptics' Guide to EM

SEPTEMBER 21, 2019

Date: September 18th, 2019 Reference: Scheuermeyer et al. AEM Sept 2019 Guest Skeptic: Dr. Chris Bond is an emergency medicine physician and clinical lecturer in Calgary. Date: September 18th, 2019 Reference: Scheuermeyer et al. His ECG shows atrial fibrillation with a rapid ventricular response.

Emergency Department 52

Emergency Department Stroke Academics Shock 52

Dr. Smith's ECG Blog

MARCH 6, 2019

This ECG was recorded on arrival: What do you think? Proof that all STE and hyperacute T-waves in the presentation ECG are new. They collected several repeat ECGs at the outside hospital before transport: None of these three ECGs meet STEMI criteria. This ECG shows persistent Occlusion MI but does not meet STEMI criteria.

EKG/ECG 52

EKG/ECG Outcomes Hospitals Wellness 52

Dr. Smith's ECG Blog

JANUARY 16, 2020

An elderly woman with h/o stroke and aphasia seemed different to her daughter, and was pointing all over her body as if in pain. At 20 minutes, just before cath, another ECG was recorded: More (worsening) STE Her initial troponin I returned at 0.341 ng/mL (URL = 0.030 ng/mL) (not per L, not high sensitivity) Lactate was 3.7

EKG/ECG 40

EKG/ECG Stroke Wellness 40

Dr. Smith's ECG Blog

MAY 16, 2023

Here is his triage ECG: What do you think? No prior ECG was available. Pretest probability is crucial in ECG diagnosis of OMI or ECG diagnosis of OMI mimic. As Ken says below, tachycardia is not common in OMI and distorts the ST segment, so managing the tachycardia and repeating the ECG is a good strategy.

EKG/ECG 52

EKG/ECG Stroke Documentation/Coding Outcomes 52

EMDocs

MAY 11, 2024

Answer : Brainstem stroke specifically in the pons resulting in locked in syndrome. CT head without contrast 1 is performed and reveals the following: Question: What is the diagnosis?

Stroke 101

Stroke EMS EKG/ECG Radiology 101

Dr. Smith's ECG Blog

SEPTEMBER 2, 2024

The ECG below was recorded by EMS. ECG #1 Interpretation: ECG #1 shows sinus rhythm at a heart rate of 77 bpm. At first glance, the ECG does not look too abnormal. In my experience, the pathologic finding in the above ECG is the easiest one to overlook — especially if you are in a rush and do not do a systematic review.

Seizures 115

Seizures EKG/ECG EMS Stroke 115

Dr. Smith's ECG Blog

DECEMBER 5, 2023

Written by Kirsten Morrissey, MD with edits by Bracey, Grauer, Meyers, and Smith An older teen was transferred from an outside hospital with elevated serum troponin and and ECG demonstrating ST elevations. Acute coronary syndrome in a pediatric patient? He denied drug or alcohol use. He did have a family history notable for early CAD.

Pediatrics 124

Pediatrics EKG/ECG Hospitals Burns 124

Dr. Smith's ECG Blog

NOVEMBER 15, 2023

She has no previous cardiac history of which she is aware 911 was called and here is her Prehospital ECG: What do you think? link] Case continued She arrived in the ED and here is the first ED ECG. In comparison with the first ECG, I would guess that the artery is reperfusing. Stroke-volume:50 ml. Normal wall thickness.

EKG/ECG 111

EKG/ECG Ultrasounds Wellness Stroke 111

Dr. Smith's ECG Blog

NOVEMBER 18, 2019

Here is the ECG: The computer reads a long QT at 449 ms, and a Hodges QTc of 506 ms. From EMCrit: Taking control of severe hyponatremia with DDAVP An ECG recorded 2 days later with a K of 4.1: Figure-1: Both ECGs that were done in this case ( See text ). This patient presented with status epilepticus. What do you think?

EKG/ECG 52

EKG/ECG Seizures Stroke Wellness 52

Dr. Smith's ECG Blog

JANUARY 9, 2024

The ECG below was recorded. The ECG was interpreted as showing atrial flutter with 2:1 conduction. Answer : The ECG above shows a regular wide complex tachycardia. Said differently, the ECG shows a rather slow ventricular tachycardia with a 2:1 VA conduction. How do you interpret the below ECG?

EKG/ECG 122

EKG/ECG Stroke Hospitals Documentation/Coding 122

Dr. Smith's ECG Blog

MARCH 15, 2023

Here is her EKG: What is unusual about this? Here is the ECG after ibutilide: What do you notice? Here is the post-cardioversion ECG: Sinus rhythm, still with the longer QT interval. For more on SSS — See My Comment at the bottom of the page in the July 5, 2018 post in Dr. Smith’s ECG Blog. She was on no medications.

EKG/ECG 52

EKG/ECG Dehydration Stroke Wellness 52

Dr. Smith's ECG Blog

JANUARY 5, 2020

Here is the ECG: What do you think? IJC Heart and Vasculature 25(2019). A study of 2298 ECGs from 1085 patients which had a computerized interpretation of AF found that in 442 (19%) of these ECGs, from 382 patients (35%), the interpretation was incorrect, and that, in 92 of these 382 patients, the physician had failed to correct it.

EKG/ECG 52

EKG/ECG COPD Wellness Sepsis 52

Dr. Smith's ECG Blog

MARCH 2, 2019

This ECG was recorded on a middle-aged male with sickle cell disease and diffuse pain. Here is a Previous ECG for comparison: Baseline LVH Only minimal ST depression Diffuse ST depression with ST Elevation in aVR Knotts et al. Any hypokalemia that results in clear ECG abnormalities, such as here. What do you think?

EKG/ECG 52

EKG/ECG Operations Seizures Stroke 52

Dr. Smith's ECG Blog

OCTOBER 7, 2019

When the paramedics arrived, they obtained a 12 lead ECG and confirmed the unstable vital signs. EKG is pictured below: What do you think? Although the shock is no doubt partly a result of poor pump function, with low stroke volume, especially of the RV, it should be compensated for by tachycardia. Why is the patient in shock?

Seizures 40

Seizures EKG/ECG Shock EMS 40

EMDocs

DECEMBER 16, 2023

A 12-lead EKG shows sinus tachycardia but is otherwise normal. Both can result in heat exhaustion and heat stroke and have many overlapping symptoms. Patients with heat stroke have hot, dry skin and altered mental status (e.g., C, and heat stroke occurs at a core temperature > 40°C. Temps greater than 41.5C

Hyperthermia / Hypothermia 80

Hyperthermia / Hypothermia EMS Stroke Seizures 80

EB Medicine

AUGUST 1, 2018

First up is the link between cannabis use and stroke or TIA. times higher risk of stroke or TIA. Jeff: For any patient arriving with suspected cannabis or synthetic abuse, consider checking an EKG. An RCT is underway in Canada on the use of ondansetron versus haloperidol with an estimated completion of July 2019.

Seizures 40

Seizures Hyperthermia / Hypothermia Administration Dehydration 40

Taming the SRU

NOVEMBER 18, 2024

Other causes include gastritis, gastric malignancy, pancreatitis, hiatal hernia, SBO, large meal, spicy foods, and carbonated drinks Neurologic Stroke, space occupying lesion, epilepsy, CNS infection, demyelinating and neurodegenerative disorders such as multiple sclerosis and Parkinson’s disease are causes of intractable hiccups.

Stroke 86

Stroke Administration COPD Dehydration 86

EMDocs

FEBRUARY 3, 2025

However, the European Alliance of Associations for Rheumatology(EULAR) and American College of Rheumatology (ACR) created a classification criterion in 2019 with a 96.1% In patients with chest pain, shortness of breath, or volume overload, additional diagnostic considerations include obtaining anelectrocardiogram (ECG), proBNP, and troponin.

Stroke 58

Stroke EMS Seizures Outcomes 58