EM Didactic

JANUARY 27, 2019

Myth 1 Absence of Classic Chest Pain obviates the need for ACS work up The absence of chest pain in no way excludes the diagnosis of ACS. Around 33-50% of the patients with ACS present to the hospital without chest pain. Ann Emerg Med 2002; 40:180–6. Heart 2001; 86:494–8. Gupta M, Tabas JA, Kohn MA. Swap CJ, Nagurney JT.

ACS 52

ACS ALS Coronary Emergency Department 52

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). ACS and hyperkalemia both have lethal downstream consequences, so it is imperative for the clinician to acclimate to the presentation, or developing, features of each. ECG's are difficult. 2] Costanzo, L.

ACS 130

ACS Paramedic Coronary ALS 130

The Skeptics' Guide to EM

MAY 28, 2022

Guidelines for Reasonable and Appropriate Care in the Emergency Department (GRACE) 2: Low-Risk, Recurrent Abdominal Pain in the Emergency Department. 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

Dr. Smith's ECG Blog

MAY 20, 2024

The scan also showed “scattered coronary artery plaques”. __ Smith comment 1 : the appropriate management at this point is to lower the blood pressure (lower afterload, which increases myocardial oxygen demand). They too have dense white masses consistent with coronary atherosclerosis. The blue circle shows the LCx. Murakami MM.

CAD 127

CAD STEMI Coronary ACS 127

Dr. Smith's ECG Blog

MARCH 14, 2024

Case 1: Case 2: Case 3: Triage ECGs labeled ‘normal’ There have been a number of small studies suggesting that triage ECGs labeled ‘normal’ are unlikely to have clinical significance, and therefore that emergency physicians should not be interrupted to interpret them, and that such patients can safely wait to be seen.

STEMI 120

STEMI ACS Coronary Emergency Department 120

Dr. Smith's ECG Blog

OCTOBER 4, 2010

He arrived in the emergency department hemodynamically stable. ACS would be highly unusual in a young athlete, and given the information on his race bib, one must first suspect that the abnormal ST elevation is due to demand ischemia, not ACS. The next day, and angiogram showed normal coronary arteries.

ACS 52

ACS Defibrillator Epinephrine STEMI 52

Dr. Smith's ECG Blog

OCTOBER 26, 2010

He presented to the Emergency Department with a blood pressure of 111/66 and a pulse of 117. ACS and STEMI generally do not cause tachycardia unless there is cardiogenic shock. Then ACS (STEMI) might be primary; this might be cardiogenic shock. One must clearly rule out these processes before jumping on the ACS diagnosis.

ACS 52

ACS STEMI OR Critical Care 52

EMS 12-Lead

APRIL 21, 2022

There is appreciable STE aVR with near-global STD that appropriately maximizes in Leads II and V5, and thus suggesting a circumstance of generic, diffusely populated, circumferential subendocardial ischemia versus occlusive coronary thrombus. [1] It’s judicious, then, to arrange for coronary angiogram.

Coronary 130

Coronary ALS OR ACS 130

Dr. Smith's ECG Blog

APRIL 18, 2024

Written by Jesse McLaren A 70 year old with prior MIs and stents to LAD and RCA presented to the emergency department with 2 weeks of increasing exertional chest pain radiating to the left arm, associated with nausea. 2014 AHA/ACC guideline for the management of patients with non-ST elevation acute coronary syndromes.

STEMI 122

STEMI Coronary ALS CAD 122

EM Didactic

OCTOBER 7, 2018

It is commonly used in Emergency Departments, especially in febrile and possibly infectious patients. ACS and Aortic Dissection - For ACS and Dissection, the higher CRP levels, the worse prognosis. It is not used to diagnose ACS/Dissection. Normal levels increase with aging. Utility of CRP 1.

Emergency Department 40

Emergency Department ACS Critical Care Coronary 40

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. Guagliumi, G., Iwaoka, R.

E-9-1-1 132

E-9-1-1 OR Coronary ACS 132

Dr. Smith's ECG Blog

AUGUST 9, 2019

Post by Smith and Meyers Sam Ghali ( [link] ) just asked me (Smith): "Steve, do left main coronary artery *occlusions* (actual ones with transmural ischemia) have ST Depression or ST Elevation in aVR?" Chris Mondie of the Newark Beth Israel Emergency Medicine Residency sent case 1 below of a 100% LM occlusion. (ref Widimsky P et al.

Coronary 52

Coronary STEMI ACS ALS 52

Dr. Smith's ECG Blog

SEPTEMBER 3, 2023

This was sent by anonymous The patient is a 55-year-old male who presented to the emergency department after approximately 3 to 4 days of intermittent central boring chest pain initially responsive to nitroglycerin, but is now more constant and not responsive to nitroglycerin. It is unknown when this pain recurred and became constant.

Defibrillator 137

Defibrillator Coronary STEMI CPR 137

Dr. Smith's ECG Blog

NOVEMBER 30, 2022

The fire department, who operate at an EMT level in this municipality, arrived before us and administered 324 mg of baby aspirin to the patient due to concern for ACS. Upon arrival to the emergency department, a senior emergency physician looked at the ECG and said "Nothing too exciting."

Emergency Department 52

Emergency Department E-9-1-1 Coronary STEMI 52

Dr. Smith's ECG Blog

JANUARY 27, 2024

, tells us that we physicians do not need to even look at this ECG until the patient is placed in a room because the computer says it is normal: Validity of Computer-interpreted “Normal” and “Otherwise Normal” ECG in Emergency Department Triage Patients I reviewed this article for a different journal and recommended rejection and it was rejected.

STEMI 118

STEMI Coronary ACS ED 118

Dr. Smith's ECG Blog

AUGUST 9, 2024

Written by Colin Jenkins and Nhu-Nguyen Le with edits by Willy Frick and by Smith A 46-year-old male presented to the emergency department with 2 days of heavy substernal chest pain and nausea. Serial ECGs enhance the diagnosis of acute coronary syndrome. Annals of Emergency Medicine , 31 (1), 3–11. link] Fesmire, F.

STEMI 108

STEMI Coronary Heart Attack ACS 108

ACEP Now

JUNE 6, 2023

Notoriously elusive, with a high misdiagnosis rate, thoracic aortic dissection (AD) can mimic many conditions, including acute coronary syndrome (ACS, the most common), gastroesophageal reflux disease (GERD), stroke, and spinal-cord compression. ACS is the most common misdiagnosis and often leads to inappropriate anticoagulation.

ACS 85

ACS ALS ED Coronary 85

Dr. Smith's ECG Blog

OCTOBER 12, 2024

A man in his 90s with a history of HTN, CKD, COPD, and OSA presented to the emergency department after being found unresponsive at home. Vital signs were within normal limits on arrival to the Emergency Department. Written by Bobby Nicholson What do you think of this “STEMI”? Blood glucose was not low at 162 mg/dL.

STEMI 117

STEMI Coronary Emergency Department ACS 117

Dr. Smith's ECG Blog

JANUARY 9, 2024

She presented to the emergency department after a couple of days of chest discomfort. Ischemia from ACS causing the chest discomfort, with VT another consequence (or coincidence)? The patient is an older woman with known coronary disease and an ICD-Pacemaker implanted because of a history of VT ( V entricular T achycardia ).

Coronary 120

Coronary ACS ED OR 120

Dr. Smith's ECG Blog

NOVEMBER 4, 2022

Smith: If this is ACS (a big if), t his is just the time when one should NOT use "upstream" dual anti-platelet therapy ("upstream" means in the ED before angiography). History sounds concerning for ACS (could be critical stenosis, triple vessel), but differential also includes dissection, GI bleed, etc. Anything more on history?

Coronary 52

Coronary ACS STEMI ALS 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. Click to enlarge.) 2 Proposed hypothesis as described by Hsu et al.,

STEMI 52

STEMI Coronary ACS Critical Care 52

Dr. Smith's ECG Blog

JUNE 19, 2023

Written by Kaley El-Arab MD, edits by Pendell Meyers and Stephen Smith A 61-year-old male with hypertension and hyperlipidemia presented to the emergency department for chest tightness radiating to the back of his neck that has been intermittent for the past day or two. What do you think? Stay tuned for upcoming studies showing this.

STEMI 52

STEMI ACS Coronary Epinephrine 52

ACEP Now

MARCH 14, 2024

A 44 year-old male with unknown past medical history came by emergency medical services (EMS) to the emergency department (ED) for an electrical injury and fall from a high voltage electrical pole. 2,3,5 Except for laundry or electrical car outlets (240 V AC), all U.S. household outlets are rated at 120 V AC.

Operating Room 52

Operating Room ACS Critical Care Coronary 52

ACEP Now

AUGUST 12, 2024

A 35-year-old male presented to the emergency department complaining of chest pain that started 1.5 5 Studies looking at this phenomenon in the emergency department setting for patients presenting with chest pain are lacking. Dr. Young is an emergency physician at Saint Francis Hospital and Medical Center, Hartford, Conn.

Emergency Department 52

Emergency Department STEMI ACS ED 52

Dr. Smith's ECG Blog

OCTOBER 25, 2023

A man in his 60s with a history of severe alcohol use disorder and epidural abscess on long-term ciprofloxacin presented to the emergency department after an episode of syncope while standing in line at a grocery store. Moreover, the Queen is only supposed to be used with a high pretest probability of ACS/OMI.

Overdose 125

Overdose ACS OR ICU 125

Dr. Smith's ECG Blog

OCTOBER 20, 2013

Rather it is due to coronary insufficiency due to a tight left main or 3-vessel disease with inadequate coronary flow. Data collected included demographics, initial rhythm, EKG, emergency department (ED) CT and outcomes. The study population was grouped into those who did and did not have an early CT. Results: Over 8.5

STEMI 52

STEMI Coronary ACS Emergency Department 52

Dr. Smith's ECG Blog

JULY 3, 2018

While in the emergency department, he undergoes an additional ECG: 00:49 - Not much change Second ECG with measurements and calculations Magnified view of second ECGs measurements and calculation It is still "negative" for LAD occlusion (less than 23.4) Despite having acute coronary occlusion by cath, his ECGs never met STEMI criteria.

ACS 52

ACS STEMI Coronary CAD 52

Dr. Smith's ECG Blog

DECEMBER 26, 2020

On arrival to the PCI center's Emergency Department, the receiving team recorded an ECG on arrival: Persistent atrial flutter, however this time the QRS occurs on a slightly different portion of the flutter wave. The cardiologist also did not see atrial flutter, and advised giving thrombolytics for perceived "inferior STEMI."

STEMI 52

STEMI ACS Coronary Emergency Department 52

Dr. Smith's ECG Blog

OCTOBER 3, 2018

When he showed it to me, I said "Ouch, looks like an acute coronary occlusion. no LBBB or paced rhythm), acute coronary occlusion MI (OMI) is diagnosed in approximately 75% of cases. The Smith-Modified Sgarbossa Criteria Accurately Diagnose Acute Coronary Occlusion in Emergency Department Patients With Ventricular Paced Rhythm.

Coronary 52

Coronary STEMI Paramedic ALS 52

Dr. Smith's ECG Blog

OCTOBER 2, 2021

Because the patient's pain had resolved completely and cardiology had declined immediate intervention, the patient was admitted but continued to board in the emergency department. Approximately 4 hours after arrival, the patient was re-examined by the emergency physician. There is no age cut-off for ACS. 1] Wereski, R.,

OR 52

OR ACS STEMI Coronary 52

Dr. Smith's ECG Blog

APRIL 17, 2023

He had no symptoms of ACS. The remainder of his Emergency Department stay was uneventful. Here is the clinical informaton on ECG 2: A man in his 50s presented to the Emergency Department with acute chest pain that started within the past few hours. QOH: "OMI High confidence". Physician interpretation: "No STEMI."

OR 52

OR STEMI ACS Emergency Department 52

EMDocs

OCTOBER 21, 2023

A 68-year-old male with a past medical history of hypertension, diabetes mellitus, and coronary artery disease with a drug eluting stent placed 2 months ago presents with dizziness and vomiting that began 3 hours ago. The NIHSS cutoff that predicts outcomes is 4 points higher in AC compared with PC infarctions. Arch Neurol.

EMS 93

EMS ALS OR ACS 93

Dr. Smith's ECG Blog

JANUARY 23, 2023

Submitted and written by Megan Lieb, DO with edits by Bracey, Smith, Meyers, and Grauer A 50-ish year old man with ICD presented to the emergency department with substernal chest pain for 3 hours prior to arrival. The screening physician ordered an EKG and noted his ashen appearance and moderate distress. Triage EKG: What do you think?

ACS 52

ACS Coronary Defibrillator STEMI 52

Dr. Smith's ECG Blog

NOVEMBER 12, 2020

And so it is wise to look at the coronary arteries. This ECG certainly looks like myocarditis, and was due to myocarditis, but missing acute coronary occlusion is not acceptable. In a series of 18 patients with COVID and ST elevation, 8 were diagnosed with STEMI, 6 of whom had an angiogram and it showed obstructive coronary disease.

E-9-1-1 52

E-9-1-1 STEMI Coronary ALS 52

Dr. Smith's ECG Blog

AUGUST 26, 2019

She was brought to the Emergency Department and this ECG was recorded while she was still feeling nauseous but denied chest pain, shortness of breath, or other symptoms: What do you think? I wouldn't activate the lab for this EKG alone, but if the patient is clinically compatible with ACS you could call a heart alert.

STEMI 52

STEMI Coronary OR ED 52

Dr. Smith's ECG Blog

NOVEMBER 3, 2017

Here is a video lecture of subtle LAD occlusion: One hour lecture on Subtle ECG Findings of Coronary Occlusion The 3-variable formula comes from this paper: Smith SW et al. consistent with LAD occlusion) This prompted serial ECGs: These dynamic changes confirmed ACS There was a large obtuse marginal 100% occlusion (surprisingly not LAD!

STEMI 52

STEMI Coronary OR ALS 52

ECG & Echo Learning

JANUARY 18, 2023

This page summarises the most current recommendations for the management of acute coronary syndromes with persistent ST-segment elevations (i.e I B Patients transferred to PCI centres can bypass the emergency department to undergo primary PCI without delay. STEMI , ST-segment elevation acute myocardial infarction ).

STEMI 40

STEMI Coronary OR Defibrillator 40