The Skeptics' Guide to EM

SEPTEMBER 11, 2021

Date: September 8th, 2021 Reference: Desch et al. Date: September 8th, 2021 Reference: Desch et al. Defibrillation is the treatment of choice in these cases but does not often result in sustained ROSC ( Kudenchuk et al 2006). Acute coronary syndrome (ACS) is responsible for the majority (60%) of all OHCAs in patients.

EMR 130

EMR Coronary Defibrillator Life Support 130

EMOttawa

APRIL 9, 2024

Methodology: 3/5 Usefulness: 2/5 Ashburn NP, et al. Question and Methods: The authors completed preplanned subgroup analyses to determine if a 0-1 hour ultra-sensitive troponin […] The post Sensitivity Cardiac Troponin T Among Patients With Known Coronary Artery Disease appeared first on EMOttawa Blog. JAMA Cardiol.

Coronary 65

Coronary ALS 65

Critical Care Scenarios

JANUARY 1, 2020

Case files Resources References Champion S, Belcour D, Vandroux D, et al. Case files Image credit: B Boling, personal files Image credit: B Boling, personal files Resources References Champion S, Belcour D, Vandroux D, et al. Ghadri JR, Cammann VL, Jurisic S, Seifert B, Napp LC, Diekmann J, et al. Eur Heart J. 2015;4(2):189-96.

ALS 130

ALS Coronary 130

Dr. Smith's ECG Blog

MAY 27, 2024

1] But there are multiple other abnormalities that make this ECG diagnostic of Occlusion MI, localized likely to the right coronary artery: 1. Systematic review and meta-analysis of diagnostic test accuracy of ST-segment elevation for acute coronary occlusion. Nikus et al. Kontos et al. Kontos et al. Bischof et al.

STEMI 122

STEMI Coronary ALS Emergency Department 122

EMS 12-Lead

MAY 20, 2022

Additional architectural changes include systolic anterior motion of the mitral valve, endothelial dysfunction at the level of the coronary arterial bed, and ventricular diastolic dysfunction. This worried the crew of potential acute coronary syndrome and STEMI was activated pre-hospital. It is spread to V2 and V3. References Naidu, S.

Coronary 130

Coronary STEMI Firefighter ED 130

The Skeptics' Guide to EM

JANUARY 18, 2020

Date: January 16th, 2020 Reference: Troponin Testing and Coronary Syndrome in Geriatric Patients With Nonspecific Complaints: Are We Overtesting? Date: January 16th, 2020 Reference: Troponin Testing and Coronary Syndrome in Geriatric Patients With Nonspecific Complaints: Are We Overtesting? Reference: Wang et al.

ACS 130

ACS Coronary Emergency Department ALS 130

Dr. Smith's ECG Blog

APRIL 18, 2024

The ECG is just a test: a Bayesian approach to acute coronary occlusion If a patient with a recent femur fracture has sudden onset of pleuritic chest pain, shortness of breath, and hemoptysis, the D-dimer doesn’t matter: the patient’s pre-test likelihood for PE is so high that they need a CT. Amsterdam et al. Alencar et al.

STEMI 121

STEMI Coronary ALS CAD 121

EMS 12-Lead

JUNE 20, 2022

One cannot rely on this feature as a means of detecting changes – subtle, or dramatic – for volatile occlusive coronary thrombus. Discussion When the QRS is normal, is the encountered ST/T changes that beget suspicion for LAD ACS (as in both of these cases) the result of occlusive coronary thrombus, or simply a normal variant?

ACS 130

ACS Coronary STEMI CAD 130

EMOttawa

DECEMBER 18, 2023

Methodology: 3/5 Usefulness: 1/5 Georgiopoulos G, et al. The post Modification of the GRACE Risk Score for Risk Prediction in Patients With Acute Coronary Syndromes appeared first on EMOttawa Blog. JAMA Cardiol. Methods: Retrospective.

Coronary 52

Coronary ACS ALS 52

EMS 12-Lead

AUGUST 22, 2022

The coronary angiogram revealed no critical stenosis, or acute plaque ulceration. Takotsubo should be a diagnosis of exclusion after angiography reveals no obstructive coronary disease, and repeat Echo displays left ventricular recovery. Furthermore, pertinent electrolyte values (e.g. potassium) were within normal parameter.

E-9-1-1 130

E-9-1-1 Coronary ALS ICU 130

The Skeptics' Guide to EM

MAY 19, 2018

[display_podcast] Date: May 16, 2018 Reference: Freund et al. display_podcast] Date: May 16, 2018 Reference: Freund et al. Reference: Freund et al. Effect of the Pulmonary Embolism Rule-Out Criteria on Subsequent Thromboembolic Events
 Among Low-Risk Emergency Department Patients: The PROPER Randomized Clinical Trial.

Emergency Department 130

Emergency Department ALS Coronary OR 130

Dr. Smith's ECG Blog

SEPTEMBER 23, 2024

Thanks in part to rapid bedside diagnosis, the patient was able to avoid emergent coronary angiography. 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 ).

E-9-1-1 127

E-9-1-1 Coronary STEMI ALS 127

ACEP Now

JULY 7, 2023

Extracorporeal membrane oxygenation Of patients with out-of-hospital cardiac arrest presenting to the ED in refractory VF, a majority have significant coronary artery disease, much of which is amenable to percutaneous coronary intervention. References Tsao CW, et al. Benjamin EJ, et al. Kimblad H, et al.

Defibrillator 98

Defibrillator OR ALS Epinephrine 98

ACEP Now

OCTOBER 29, 2024

Does that normal troponin and ECG obviate the need for cardiology consultation for my patient with a concerning story for acute coronary syndrome? Knack SKS, Scott N, Driver BE, Pet al. Thiruganasambandamoorthy V, Kwong K, Wells GA, et al. Freund Y, Cachanado M, Aubry A, et al. Penaloza A, Verschuren F, Meyer G, et al.

Emergency Department 59

Emergency Department ALS Emergency Medical Services OR 59

Dr. Smith's ECG Blog

DECEMBER 19, 2023

The commonest causes of MINOCA include: atherosclerotic causes such as plaque rupture or erosion with spontaneous thrombolysis, and non-atherosclerotic causes such as coronary vasospasm (sometimes called variant angina or Prinzmetal's angina), coronary embolism or thrombosis, possibly microvascular dysfunction. This is not the case.

E-9-1-1 127

E-9-1-1 Coronary ACS BLS 127

Dr. Smith's ECG Blog

MARCH 10, 2025

The latest is Langlois-Carbonneau et al. But like many similar studies, the study was small (one year at one centre with no indication of the incidence of acute coronary occlusion), and it used as the gold standard the final cardiologist interpretation of the ECG - not the patient outcome! But according to Langlois-Carbonneau et al.,

STEMI 89

STEMI OR Coronary Emergency Department 89

EMS 12-Lead

APRIL 14, 2022

It should be emphasized here that this is a presentation of high-pretest probability for Acute Coronary Syndrome (ACS). link] [1] Zachary et al. Utility of the history and physical examination in the detection of Acute Coronary Syndromes in emergency department patients. Western Journal of Emergency Medicine, 18 (4), 752-760. [2]

ACS 130

ACS Paramedic Coronary ALS 130

The Skeptics' Guide to EM

JUNE 14, 2017

It has been said that it can take 17 years for 14% of research to reach the patients’ bedside ( Morris et al 2011 ). Talk I: Knowledge Translation in the Digital Age The first talk was on knowledge translation (KT) in the digital age. A number of examples of the KT problem were provided.

Coronary 130

Coronary Emergency Department ALS 130

Dr. Smith's ECG Blog

OCTOBER 3, 2024

Coronaries were clean. Not OMI with High Confidence Click here to sign up for Queen of Hearts Access We showed that the Queen of Hearts decreases false positive cath lab activations: 1) Published recently in Prehospital Emergency Care Baker PO et al. 2) To be presented at AHA conference in Chicago in 2 weeks: Sharkey SW et al.

E-9-1-1 123

E-9-1-1 Coronary ALS ED 123

Dr. Smith's ECG Blog

SEPTEMBER 1, 2024

Abstract of QOH Retrospective Data by Willy Frick MD et al.

Coronary 52

Coronary ALS 52

The Skeptics' Guide to EM

MARCH 10, 2018

[display_podcast] Date: March 6th, 2018 Reference: Zahed et al. display_podcast] Date: March 6th, 2018 Reference: Zahed et al. He is the creator of the excellent #FOAMed project called First10EM.com Case: A 77-year-old woman with known coronary artery disease is on clopidogrel and aspirin because of a stent placed four month ago.

Emergency Department 100

Emergency Department ALS Coronary OR 100

Dr. Smith's ECG Blog

APRIL 22, 2024

A comparison of electrocardiographic changes during reperfusion of acute myocardial infarction by thrombolysis or percutaneous transluminal coronary angioplasty. Lemkes JS, et al. Total coronary occlusion, if very brief, may have minimal infarction and yet be very dangerous. Am Heart J. 2000;139:430–436. Eur Heart J [Internet].

Coronary 117

Coronary STEMI ED OR 117

Dr. Smith's ECG Blog

JUNE 21, 2023

Below is the version standardized by PM Cardio app Meyers interpretation: Findings are specific for posterior (and also likely inferior) wall transmural acute infarction, most likely due to acute coronary occlusion (OMI). Most OMI have a peak Troponin T over 1000 ng/L [reference: Baro R et al. Clinical Cardiology 2019.

STEMI 98

STEMI Coronary Defibrillator EMS 98

The Skeptics' Guide to EM

MAY 28, 2022

Date: May 24th, 2022 Reference: Broder et al. Date: May 24th, 2022 Reference: Broder et al. Reference: Broder et al. Guidelines for Reasonable and Appropriate Care in the Emergency Department (GRACE) 2: Low-Risk, Recurrent Abdominal Pain in the Emergency Department.

Emergency Department 100

Emergency Department ACS ALS Coronary 100

EMDocs

JULY 1, 2023

Upon further research in the 1970’s, retrospective data from autopsies of those patients showed coronary aneurysms 5 Pathophysiology: Kawasaki Disease is a vasculitis of medium sized arteries. Tomisaku Kawasaki, who noticed 50+ similar pediatric presentations between the years 1961 and 1967. Lakhani, N. BMC Pediatrics. 2018;18(334).

EMS 93

EMS Coronary ED OR 93

Dr. Smith's ECG Blog

JANUARY 27, 2024

Old ‘NSTEMI’ A history of coronary artery disease and a stent to the same territory further increases pre-test likelihood of acute coronary occlusion, including in-stent thrombosis. So the patient had a transient acute coronary occlusion that spontaneously reperfused but is at risk for reocclusion. Deutch et al.

STEMI 117

STEMI Coronary ACS ED 117

Dr. Smith's ECG Blog

DECEMBER 27, 2023

Note that as many as 7% of patients with acute coronary syndrome have chest pain reproducible on palpation [Lee, Solomon]. which reduces the pre-test probability of acute coronary syndrome by less than 30% [McGee]. The original term " benign early repolarization" has fallen out of favor since the seminal paper by Haïssaguerre et al.

E-9-1-1 130

E-9-1-1 OR Coronary ACS 130

EMS 12-Lead

APRIL 2, 2022

He reported a history of ischemic cardiomyopathy with coronary stent placement approximately 10 years prior, but could not recall the specific artery involved. 4] Baranchuk, A, et al. BP 110/67 HR 68 RR 14 (non-labored) SpO2 95 RA Physical exam revealed slight pallor and diaphoresis. Attached is the first ECG. 2] Surawicz, B.

ALS 130

ALS STEMI Coronary OR 130

Dr. Smith's ECG Blog

JULY 7, 2024

First trop was 7,000ng/L (normal 25% of ‘Non-STEMI’ patients with delayed angiography have the exact same pathology of acute coronary occlusion. The new ACC expert consensus explains that: “STEMI ECG criteria on a standard 12-lead ECG alone will miss a significant minority of patients who have acute coronary occlusion. Take home 1.

STEMI 66

STEMI Coronary ALS OR 66

EMDocs

NOVEMBER 6, 2023

It is reasonable to administer vasodilators (eg, nitrates, phentolamine, calcium channel blockers) for patients with cocaine-induced coronary vasospasm or hypertensive emergencies. Editorial Comment : Use standard BLS/ALS measures, especially if in cardiac arrest. COR 2a, LOE C-LD. COR 2a, LOE C-LD. COR 1, LOE C-LD. COR 2a, LOE B-NR.

Naloxone 116

Naloxone OR BLS Overdose 116

Dr. Smith's ECG Blog

JANUARY 1, 2024

His medical history includes hypertension, a decade-long battle with diabetes, ischemic heart disease, a coronary bypass graft surgery ten years ago, a diagnosis of congestive heart failure for the last five years, and a prior ICD implantation five years ago.

Coronary 112

Coronary EMR STEMI Emergency Department 112

Dr. Smith's ECG Blog

NOVEMBER 15, 2013

It shows that on a 7 day angiogram, only 58% of re-occlusions were symptomatic: Ohman EM, Califf RM, Topol EJ et al. It is important to recognize that coronary thrombosis is dynamic , with spontaneous opening and lysing of the thrombus in the infarct-related artery (we all have endogenous tPA and plasmin to lyse thrombi).

Coronary 52

Coronary STEMI ALS Emergency Department 52

ACEP Now

DECEMBER 11, 2023

Many conditions outside of acute coronary syndrome (ACS) mimic ST-elevation myocardial infarction (STEMI), but only a handful of cases have reported ST-elevations (STE) in the setting of pancreatic inflammation where underlying ACS was excluded. 2 Proposed hypothesis as described by Hsu et al., Yu ES, Lange JJ, Broor A, et al.

STEMI 52

STEMI Coronary ACS Critical Care 52

Dr. Smith's ECG Blog

OCTOBER 24, 2019

The biphasic T wave is consistent with recent reperfusion of an occluded coronary artery supplying the inferior region. Here’s the angiogram of the RCA : No thrombus or plaque rupture in the RCA (or any coronary artery) was found. This MI wasn’t caused by a ruptured plaque of CAD - it was a coronary artery dissection of the RCA.

Coronary 52

Coronary CAD ACS STEMI 52

EMDocs

FEBRUARY 7, 2024

GLP-1 agonists are also associated with improved ejection fraction, coronary blood flow, and cardiac output while reducing the risk of cardiovascular events, infarction size, and all-cause mortality. Shetty R, Basheer FT, Poojari PG, et al. Wilding JPH, Batterham RL, Calanna S, et al; STEP 1 Study Group. 2022 Dec 7;13:1043789.

Allergic Reaction 98

Allergic Reaction ALS CAD OR 98

Dr. Smith's ECG Blog

MAY 23, 2023

I have here 38 cases of "Computer Normal" ECGs which were critically abnormal and the vast majority are missed acute coronary occlusions (Missed Acute OMI) and most were recognized by the physician. Of the Non-STEMI in our cohort, about 25% will actually have acute coronary occlusion. So this study is worthless and must be ignored.

STEMI 98

STEMI Coronary Paramedic OR 98

EMDocs

MARCH 25, 2024

Video 3: Coronary approach to the gallbladder POCUS Findings Sonographically, the gallbladder is situated in the right upper quadrant as an elongated pear-shaped organ on the inferior surface of the liver. Ross M, Brown M, McLaughlin K, et al. Dumbrava BD, Bass GA, Jumean A, et al. Al-Khouja F, Mazumder P, Moeller J, Lahham S.

ALS 98

ALS Coronary Emergency Department ED 98