EMS 12-Lead

JULY 24, 2023

Category 1 : Sudden narrowing of a coronary artery due to ACS (plaque rupture with thrombosis and/or downstream showering of platelet-fibrin aggregates. It’s judicious, then, to arrange for coronary angiogram. Supply-demand mismatch (non-occlusive coronary disease, or exacerbation of preexisting flow insufficiency) a.

Coronary 130

Coronary ACS CAD ED 130

Dr. Smith's ECG Blog

JUNE 23, 2024

The patient was treated as possible NSTEMI and underwent coronary angiography about 4 hours after presentation. TIMI 3 means the rate of passage of dye through the coronary artery is normal by angiography.) Initial hsTnI was 384 ng/L. The report describes a 60% proximal LAD lesion with TIMI 3 flow.

Coronary 108

Coronary CAD CPR Critical Care 108

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. A Bayesian approach to acute coronary occlusion.

STEMI 117

STEMI Coronary ALS CAD 117

ACEP Now

APRIL 4, 2024

This patient had known coronary artery disease (CAD), and previously required drug eluting stents to the obtuse marginal and diagonal arteries. 1 Despite the rarity of dextrocardia, coronary artery disease can occur with a similar frequency to that of the general population. Coronary heart disease in situs inversus totalis.

Coronary 40

Coronary STEMI CAD Emergency Department 40

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?" Furthermore, among 35 patients with acute left main coronary artery occlusion, 9 presented with RBBB (mostly with LAFB) on the admission ECG.

Coronary 52

Coronary STEMI ACS ALS 52

EMS 12-Lead

AUGUST 14, 2022

Otherwise, no admission of CAD, HLD, or family history of sudden cardiac death. A second 12 Lead ECG was recorded: This is a testament to the dynamic nature of coronary thrombosis and thrombolysis. He described the pain as “nagging,” and equally not exacerbated by any kind of movement. But the lesion is still active!

MICU 130

MICU STEMI CAD Coronary 130

EMS 12-Lead

JUNE 20, 2022

Moreover, he had no pertinent medical history to report in terms of CAD, HTN, HLD, or DM, for example. One cannot rely on this feature as a means of detecting changes – subtle, or dramatic – for volatile occlusive coronary thrombus. A 12 Lead ECG was recorded. Raw findings include Sinus Rhythm amidst an otherwise normal QRS.

ACS 130

ACS Coronary STEMI CAD 130

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

Dr. Smith's ECG Blog

JANUARY 28, 2018

He has a history of known CAD, diabetes, and dyslipidemia. The ED ECG in the context of the prehospital ECGs was indeed diagnostic of acute coronary occlusion. Cath Results: The cath lab was activated and co-culprit lesions were found: 99% circumflex and 95% right coronary artery (RCA). Both were stented.

Coronary 52

Coronary STEMI CAD ED 52

Dr. Smith's ECG Blog

OCTOBER 1, 2023

A man in his mid 60s with history of CAD and stents experienced sudden onset epigastric abdominal pain radiating up into his chest at home, waking him from sleep. This patient in today's case was a man in his 60s with a known history of coronary disease, including prior stents. This is a re-post of an excellent case from 2021.

OR 125

OR STEMI Coronary CAD 125

EM Literature of Note

OCTOBER 18, 2021

Pervasive use of CT coronary angiography has been an unnecessary feature of the evaluation of patient with low-risk chest pain for the better part of a decade now. Patients were eligible by symptoms of an acute coronary syndrome, supported by ECG changes, an elevated troponin, or a history of ischemic heart disease.

Coronary 40

Coronary CAD ED OR 40

Dr. Smith's ECG Blog

NOVEMBER 19, 2024

No prior similar symptoms or known CAD. post OMI with significant multi-vessel coronary disease. He took two full strength aspirin prior to EMS arrival. The pain was relieved by one prehospital NTG spray. He arrived at the ED just shy of two hours after onset, pain free. PMHX significant for hypertension and BPH.

OR 64

OR STEMI Coronary CAD 64

Dr. Smith's ECG Blog

NOVEMBER 22, 2023

Angiogram: Severe two-vessel coronary artery disease with possible co-culprits (90% proximal circumflex, 70% mid/distal RCA) in the setting of non-ST elevation myocardial infarction. Marked ST depression from multi-vessel coronary disease serves to attentuate what would have been ST elevation in leads II and aVF ).

ED 102

ED Coronary CAD STEMI 102

Dr. Smith's ECG Blog

MAY 19, 2020

Angiography showed normal coronaries. MINOCA: Myocardial Infarction in the Absence of Obstructive Coronary Artery Disease). Here is my comment on MINOCA: "Non-obstructive coronary disease" does not necessarily imply "no plaque rupture with thrombus." 2) overlooked obstructive coronary disease (e.g., The K was normal.

Defibrillator 52

Defibrillator CPR Coronary CAD 52

Dr. Smith's ECG Blog

JANUARY 9, 2023

No family history of sudden cardiac death, cardiomyopathy, premature CAD, or other cardiac issues. Repeat CT angio chest (not CT coronary, unclear what protocol) showed possible LAD aneurysm and thrombus. Acute coronary occlusion almost always occurs in patients who are well beyond their teenage years.

Coronary 52

Coronary STEMI Heart Attack OR 52

Dr. Smith's ECG Blog

NOVEMBER 30, 2022

Hospital Course The patient was taken emergently to the cath lab which did not reveal any significant coronary artery disease, but she was noted to have reduced EF consistent with Takotsubo cardiomyopathy. Just because you don't see hemodynamically significant CAD on angiogram does not mean it is not OMI. It can only be seen by IVUS.

Emergency Department 52

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

Dr. Smith's ECG Blog

APRIL 14, 2023

Sent by Anonymous, written by Pendell Meyers A man in his 60s with history of CAD and 2 prior stents presented to the ED complaining of acute heavy substernal chest pain that began while eating breakfast about an hour ago, and had been persistent since then, despite EMS administering aspirin and nitroglycerin. Pre-intervention.

CAD 52

CAD ACS STEMI Coronary 52

Dr. Smith's ECG Blog

FEBRUARY 12, 2024

This is for the version housed on Telegram: [link] You can get the full PM Cardio app here if you live in the UK or EU (or say you do upon registration): [link] Case Continued The cath lab was activated and the patient received 180 mg of ticagrelor, and then was transported to the cath lab.

CAD 84

CAD ED OR Coronary 84

Dr. Smith's ECG Blog

MARCH 19, 2023

Concerning history, known CAD" Recorded 2 hours after pain onset: What do you think? To realize — Assessment of ECG #1 is complicated by knowing: i ) That today’s patient has a history of documented CAD ; and , ii ) The lack o f a prior tracing for comparison at the time the initial ECG was interpreted. What Do We Learn from ECG #3 ?

STEMI 52

STEMI Coronary CAD OR 52

EMS 12-Lead

APRIL 8, 2022

Furthermore, there was no family history of early CAD, MI, or sudden cardiac death. Cardiology admitted him for observation with plans for next-day coronary angiogram. He reported to EMS a medical history of GERD only. The physical exam was unremarkable for diaphoresis or pallor, and he denied any episodes of vomiting. 1] Driver, B.

STEMI 130

STEMI ALS Coronary CAD 130

Emergency Medicine Ireland

DECEMBER 7, 2020

As the pregnant population continues to age and with RF and smoking and DM still common we can expect to see pregnant woman with CAD. Some unique features to consider in pregnancy is spontaneous coronary artery dissections.

Critical Care 40

Critical Care CAD Plasma ACS 40

Dr. Smith's ECG Blog

JUNE 19, 2024

The ED provider ordered a coronary CT scan to assess the patient for CAD. The patient was taken emergently to the cath lab for a pericardiocentesis instead of a coronary angiogram. Three months prior to this presentation, he received a pacemaker for severe bradycardia and syncope due to sinus node dysfunction.

STEMI 60

STEMI Coronary CAD ED 60

Dr. Smith's ECG Blog

NOVEMBER 3, 2023

A man in his 70s with past medical history of hypertension, dyslipidemia, CAD s/p left circumflex stent 2 years prior presented to the ED with worsening intermittent exertional chest pain relieved by rest. The De Winter ECG pattern: morphology and accuracy for diagnosing acute coronary occlusion: systematic review. 2009;95:1701–1706.

ACS 82

ACS Coronary ALS CAD 82

OntarioMedic

FEBRUARY 8, 2018

In this category, most cases are a result of end-stage coronary artery disease, either with a history of myocardial infarction or with a chronically underperfused, yet viable, myocardium. Q waves in contiguous leads strongly implicate a previous myocardial infarction and coronary artery disease as the cause. Currently, 5.7

Coronary 52

Coronary CAD OR 52

Dr. Smith's ECG Blog

JULY 31, 2018

She had zero CAD risk factors. Next day, t he patient was taken for an angiogram and found to have a reperfused LAD lesion with good flow that appeared to the angiographer as if it was a spontaneous coronary artery dissection. What is Spontaneous Coronary Artery Dissection (SCAD)? hours of substernal chest pressure.

Coronary 52

Coronary ACS STEMI OR 52

Dr. Smith's ECG Blog

JANUARY 31, 2020

But it does prove that the patient has coronary disease and makes the probability that his chest pain is due to ACS very very high. Instantaneous wave-free ratio is performed using high fidelity pressure wires that are passed distal to the coronary stenosis. Acute T-waves are large, even if not necessarily hyperacute.

ED 52

ED Coronary ACS CAD 52

Dr. Smith's ECG Blog

OCTOBER 10, 2022

As in all ischemia interpretations with OMI findings, the findings can be due to type 1 AMI (example: acute coronary plaque rupture and thrombosis) or type 2 AMI (with or without fixed CAD, with severe regional supply/demand mismatch essentially equaling zero blood flow).

ACS 52

ACS CPR CAD Heart Attack 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. Increased risk in those with preexisting CKD, other risk factors for renal disease (HTN or CAD), and those on ACEIs/ARBs.

Allergic Reaction 75

Allergic Reaction ALS CAD OR 75

Dr. Smith's ECG Blog

JULY 22, 2023

The patient proceeded to cath where all coronaries were described as normal with no evidence of any CAD, spasm, or any other abnormality. She has not had a heart catheterization or after this event so the presence or absence of CAD is still unknown.

E-9-1-1 70

E-9-1-1 CAD OR STEMI 70

Dr. Smith's ECG Blog

OCTOBER 26, 2020

The patient was transferred immediately for angiogram which revealed no significant CAD, and no intervention was performed. Coronary spasm causing massive current of injury with shark fin ECG. I would not expect ST-E to vanish in four beats with dissolving thrombus (also we know that the coronaries were clean).

Coronary 52

Coronary Defibrillator ACS CAD 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 III A Primary percutaneous coronary intervention strategy Management Recommendation Level of evidence Primary PCI of the infarct related artery (IRA) is indicated.

STEMI 40

STEMI Coronary OR Defibrillator 40

Dr. Smith's ECG Blog

JUNE 12, 2017

He had a family history of early CAD and occasional drug and tobacco use. However, subtle coronary occlusion may be completely missed by the computer and called "normal." It is not yet available, but this is your way to get on the list. link] Here is the history: A 30 yo man presented complaining of severe chest pain. References : 1.

STEMI 52

STEMI CAD Coronary ALS 52

Dr. Smith's ECG Blog

NOVEMBER 19, 2016

The diagnostic coronary angiogram identified only minimal coronary artery disease, but there was a severely calcified, ‘immobile’ aortic valve. Author continued : STE in aVR is often due to left main coronary artery obstruction (OR 4.72), and is associated with in-hospital cardiovascular mortality (OR 5.58).

Coronary 52

Coronary ACS ALS STEMI 52

Dr. Smith's ECG Blog

JUNE 18, 2013

I want all to know that, with the right mind preparation, and the use of the early repol/LAD occlusion formula, extremely subtle coronary occlusion can be detected prospectively, with no other information than the ECG. It is not a missed STEMI, but it is a missed coronary occlusion. Wang T, Zhang M, Fu Y, et al.

STEMI 52

STEMI Coronary ALS CAD 52

Dr. Smith's ECG Blog

SEPTEMBER 16, 2015

A middle-aged male with h/o CAD and stents presented with typical chest pressure. Is there likely to be fixed coronary stenosis that led to demand ischemia during pneumonia? --Was Furthermore, among 35 patients with acute left main coronary artery occlusion, 9 presented with RBBB (mostly with LAFB) on the admission ECG.

STEMI 52

STEMI CPR CAD Coronary 52

Dr. Smith's ECG Blog

SEPTEMBER 4, 2016

Is this due to coronary occlusion? The medic activated the cath lab but was refused by the interventionalist, who did not believe that this ECG represented acute coronary occlusion. But what we truly care about is coronary occlusion, for which STEMI is just a surrogate that is only about 75% sensitive for occlusion.

E-9-1-1 52

E-9-1-1 STEMI Coronary CAD 52

Dr. Smith's ECG Blog

JANUARY 1, 2013

A middle aged male with no h/o CAD presented with one week of crescendo exertional angina, and had chest pain at the time of the first ECG: Here is the patient's previous ECG: Here is the patient's presenting ED ECG: There is isolated ST depression in precordial leads, deeper in V2 - V4 than in V5 or V6. There is no ST elevation.

STEMI 52

STEMI ACS Coronary CAD 52