Dr. Smith's ECG Blog

JULY 31, 2020

Their OMI Manifesto details how use of standard STEMI criteria results in an unacceptable level of inaccuracy, in which an estimated 25-30% of acute coronary occlusions are missed! The article by Aslanger, Smith et al that is featured above in today’s post has just been published.

STEMI 52

STEMI Coronary EMR ALS 52

Dr. Smith's ECG Blog

DECEMBER 11, 2023

Triage documented a complaint of left shoulder pain. Recall from this post referencing this study that "reciprocal STD in aVL is highly sensitive for inferior OMI (far better than STEMI criteria) and excludes pericarditis, but is not specific for OMI." The patient presented to triage at around 10 PM. At midnight.

E-9-1-1 123

E-9-1-1 Coronary ACS STEMI 123

Dr. Smith's ECG Blog

APRIL 4, 2023

This patient could have very easily been overlooked, both because the ECG was STEMI negative and because the Q waves were attributed to an “old infarct”. Fortunately, Dr. Cho was not looking for STEMI ECG criteria but for an acute coronary occlusion. OMI or STEMI? As cardiology documented, “possible STEMI.

STEMI 52

STEMI Coronary OR ACS 52

Dr. Smith's ECG Blog

OCTOBER 12, 2024

Written by Bobby Nicholson What do you think of this “STEMI”? Second, although there is a lot of ST Elevation which meets STEMI criteria, especially in V3-4, the ST segment is extremely upwardly concave with very large J-waves (J-point notching). With EMS, patient had a GCS of 3 and was saturating 60% on room air. or basilar ischemia.

STEMI 98

STEMI Coronary Emergency Department OR 98

EMDocs

SEPTEMBER 19, 2023

Reference: emDOCs – NCSE Journal of Emergency Medicine – Review Case 4: 52-year-0ld male brought in by EMS with “code STEMI” ECG demonstrates ST depressions with rocket like T waves in V2-V4. This document covers high sensitivity troponin, risk disposition pathways, and STEMI equivalents.

STEMI 73

STEMI Coronary Emergency Department ICU 73

ACEP Now

OCTOBER 3, 2023

This document is an update of guidelines first published in 2000, and then updated in 2007. Confounders to the GCS such as seizure and post-ictal phase, ingestions and drug overdose, as well as medications administered in the prehospital setting that impact GCS score should be documented.

Emergency Medical Services 98

Emergency Medical Services EMS OR Overdose 98

Dr. Smith's ECG Blog

APRIL 17, 2023

The Queen of Hearts correctly says: Smith : Why is this ECG which manifests so much ST Elevation NOT a STEMI (even if it were a 60 year old with chest pain)? His HEAR score (before troponin resulted) was documented at 3, with documentation stating "low suspicion for ACS." Physician interpretation: "No STEMI."

OR 52

OR STEMI ACS Emergency Department 52

ESO

JANUARY 19, 2024

Gender, race, ethnicity, and socioeconomic disparities are well-documented within the healthcare system. While stroke assessment is documented 38% of the time for patients overall, it is only documented 32% of the time for Hispanic/Latino patients. However, in reality, that’s not always the case.

CPR 52

CPR Advanced Life Support STEMI Life Support 52

Dr. Smith's ECG Blog

MARCH 22, 2024

This is documented as a STEMI in the clinical notes and in the cath report, but certainly does not meet STEMI criteria and is therefore an NSTEMI by definition. For national registry purposes, this will be incorrectly classified as a STEMI.) Most STEMI have peak cTnI greater than 10.0. ng/mL (ref. < < 0.049).

STEMI 112

STEMI OR 112

Dr. Smith's ECG Blog

JANUARY 5, 2024

The documentation does not describe any additional details of the history. They also documented "Reproducible chest tenderness." Written by Willy Frick A 46 year old man with a history of type 2 diabetes mellitus presented to urgent care with complaint of "chest burning." The following ECG was obtained. ECG 1 What do you think?

ACS 107

ACS ALS OR STEMI 107

Dr. Smith's ECG Blog

DECEMBER 29, 2023

But because there was no new ST elevation, the ECG was signed off as “STEMI negative” and the patient waited to be seen. But the ECG still doesn’t meet STEMI criteria. It was therefore interpreted as “no STEMI” and the patient was treated with dual anti-platelets and referred to cardiology as “NSTEMI.” the cardiologist 5.

STEMI 74

STEMI Coronary OR ALS 74

Dr. Smith's ECG Blog

MARCH 19, 2024

The Queen of Hearts agrees: Here the Queen explains why: However, it was not interpreted correctly by the providers: ED interpretation of ECG: "paced rhythm, LBBB but no STEMI pattern." Most large STEMI have peak troponin I in the 20.0 HPI: Abrupt onset of substernal chest pain associated with nausea/vomiting 30 min PTA. ng/mL - 80.0

CAD 90

CAD STEMI ACS ALS 90

Dr. Smith's ECG Blog

SEPTEMBER 10, 2023

Ongoing pain noted throughout all documentation, but after nitro drip and prn morphine, "pain improved to 2/10." Post Cath ECG: Obviously completing MI with LVA morphology, and STE that meets STEMI criteria (but pt is still diagnosed as "NSTEMI"). Repeat ECG: New developing Q waves in V2 and V3, further confirming evolving OMI.

E-9-1-1 82

E-9-1-1 ACS STEMI Coronary 82

ECG & Echo Learning

JANUARY 18, 2023

STEMI , ST-segment elevation acute myocardial infarction ). 1 Initial diagnosis of STEMI ECG Management Recommendation Level of evidence A 12-lead ECG should be interpreted immediately (within 10 minutes) at first medical contact. I C Pain Titrated i.v. IIa C Anxiety Tranquillizer (e.g benzodiazepine) is considered.

STEMI 40

STEMI Coronary OR Defibrillator 40

Dr. Smith's ECG Blog

JUNE 17, 2024

for those of you who do not do Emergency Medicine, ECGs are handed to us without any clinical context) The ECG was read simply as "No STEMI." If this EKG were handed to you to screen from triage without any clinical information, what would you think? Unfortunately, there was a long wait and the patient left before being seen by a provider.

E-9-1-1 138

E-9-1-1 ACS Emergency Department Coronary 138

Dr. Smith's ECG Blog

AUGUST 9, 2024

He had no previously documented medical problems except polysubstance use. The receiving emergency physician consulted with interventional cardiology who stated there was no STEMI. Is there STEMI? He reported a history of “Wolf-Parkinson-White” and “heart attack” but said neither had been treated. Leave it alone. Moffat, M.

STEMI 86

STEMI Coronary Heart Attack ACS 86

Dr. Smith's ECG Blog

JULY 21, 2024

The ECG shows obvious STEMI(+) OMI due to probable proximal LAD occlusion. In both tracings — an exceedingly fast PMVT is documented. The patient in today’s case is a previously healthy 40-something male who contacted EMS due to acute onset crushing chest pain. The below ECG was recorded. What are additional treatment options?

Defibrillator 113

Defibrillator Coronary ALS STEMI 113

Dr. Smith's ECG Blog

OCTOBER 2, 2021

We assume that at some point the patient's pain returned, but it is not documented, so exactly when this happened is uncertain. Practice putting the probe on the chest of someone with an obvious STEMI(+) OMI in order to look for regional wall motion abnormalities. The first troponin I was less than 0.30 ng/mL (undetectable).

OR 52

OR ACS STEMI Coronary 52

Dr. Smith's ECG Blog

NOVEMBER 26, 2015

These elevations meet STEMI criteria ( ≥ 1mm in 2 contiguous leads). While this may be change that is reciprocal to an Acute/Subacute Inferior STEMI, the problem is that LV aneurysm may also manifest with this reciprocal change. In STEMI, they are generally upright and large in proportion to the QRS. This case is tough.

STEMI 52

STEMI ACS Emergency Department OR 52

Dr. Smith's ECG Blog

NOVEMBER 15, 2013

You've read in my previous posts that I have a lot of evidence that Wellens' represents spontaneously reperfused STEMI in which the STEMI went unrecorded. New ST elevation diagnostic of STEMI [equation value = 25.3 It is well documented with continuous 12-lead monitoring that acute re-occlusion is frequently asymptomatic.

Coronary 52

Coronary STEMI ALS Emergency Department 52

NAEMSP

MARCH 5, 2024

Appropriate air medical services utilization and recommendations for integration of air medical services resources into the EMS system of care: a joint position statement and resource document of NAEMSP, ACEP, and AMPA. Air medical transport has been utilized in multiple hospital based programs including trauma, STEMI, and stroke.

Critical Care 52

Critical Care Medical Transportation CPR EMS 52

REBEL EM

MARCH 2, 2023

Based on recent studies, current guidelines recommend that O2 should not be given to non-hypoxemic patients with STEMI or NSTEMI [2,3]. 4159 patients (10% of total population) had STEMI 30d Mortality: High O2 protocol: 8.8% 4159 patients (10% of total population) had STEMI 30d Mortality: High O2 protocol: 8.8%

ACS 52

ACS Coronary STEMI Ambulance 52

ACEP Now

APRIL 4, 2024

Figure 1: EKG for Dextrocardia showing STEMI. The second EKG was concerning for STEMI in the precordial leads (see figure 1). This delay in recognition can result in the inadvertent underdiagnosis of STEMIs. Dextrocardia with STEMI is a rare clinical presentation that presents with both diagnostic and technical challenges.

Coronary 40

Coronary STEMI CAD Emergency Department 40

Dr. Smith's ECG Blog

JULY 19, 2019

This morphology can be cause by or associated with cocaine: A Patient with Cocaine Chest Pain and Prehospital Computer interpretation of STEMI This is OMI of the anterior, lateral, and inferior walls until proven otherwise. But it does not meet STEMI criteria and it was not initially recognized. ng/mL (very elevated).

STEMI 52

STEMI ED ACS OR 52

Dr. Smith's ECG Blog

MARCH 31, 2023

This was marked as "Not a STEMI" by the physicians. It is not a STEMI, but it is diagnostic of an LAD OMI (Occlusion MI). has outperformed many cardiologists in its ability to recognize with "high confidence" acute OMIs from ECGs not satisfying STEMI-criteria. This was sent to me by a friend.

STEMI 52

STEMI Coronary OR ED 52

Dr. Smith's ECG Blog

FEBRUARY 27, 2023

See many examples of Pseudo STEMI due to hyperkalemia at these two posts: Acute respiratory distress: Correct interpretation of the initial and serial ECG findings, with aggressive management, might have saved his life. And, there is no documentation that the tachycardia has resolved. This is diagnostic of hyperkalemia.

STEMI 52

STEMI OR 52

Dr. Smith's ECG Blog

MARCH 19, 2023

The patient was diagnosed with a"Non-STEMI." Traditionally , Occlusion MI (OMI) myocardial infarctions that are not STEMI are called NonSTEMI. The interventionalist asked for another troponin, which shortly returned at 66 ng/L. Another ECG was recorded while waiting for the cath team (it was nighttime). Smith and Meyers as “worrisome”?

STEMI 52

STEMI Coronary CAD OR 52

Dr. Smith's ECG Blog

JUNE 27, 2021

Meyers note: notice in their documentation many of the classic mistakes of the STEMI generation: "Non ST Elevation MI" as their reasoning for why the patient did not merit emergent reperfusion, while simultaneously calling it "emergently" (after 8 hours!!!) Because we are hypnotized the STEMI paradigm. "If Here are a few clips.

STEMI 40

STEMI ACS Coronary ED 40

Dr. Smith's ECG Blog

MAY 16, 2023

Here is the Queen of Heart's interpretation: The cath lab had been activated for concern of STEMI. Learning Points: This is one of many examples of false positive STEMI criteria, which is distinguishable by expert humans, and now by AI such as QOH. Singer sent this to me with just the information: "~40 year old with acute chest pain".

Coronary 52

Coronary STEMI ED OR 52

Dr. Smith's ECG Blog

OCTOBER 6, 2018

He wrote in his note that "The EKG showed early repolarization in I, V2-V3 but no clear STEMI pattern." See far below for data on 24 troponin T in STEMI and NSTEMI, and correlation with infarct size. This difficulty results in high lateral OMI being the most commonly missed OMIs by the misguided STEMI criteria.

STEMI 40

STEMI Coronary ALS OR 40

EMDocs

JANUARY 11, 2024

Brain Oxygenation, Perfusion, Edema, and ICP Statements Takeaway: Avoid 100% oxygen saturation. Instead, target 92-98%. Keep hemoglobin > 7 g/dL. Consider lowering ICP if elevated (head of bed elevation, hyperosmolar therapy, etc.). Valproic acid and levetiracetam are reasonable first-line therapies for EEG or clinical seizure activity.

Critical Care 76

Critical Care E-9-1-1 OR ICU 76

Dr. Smith's ECG Blog

APRIL 15, 2019

A prehospital ECG was recorded (not shown and not seen by me) which was worrisome for STEMI. A previous ECG from 4 years prior was normal: This looks like an anterior STEMI, but it is complicated by tachycardia (which can greatly elevate ST segments) and by the presentation which is of fever and sepsis.

Coronary 40

Coronary STEMI OR ED 40

Dr. Smith's ECG Blog

JULY 22, 2023

A prior ECG from 1 month ago was available: The presentation ECG was interpreted as STEMI and the patient was transferred emergently to the nearest PCI center. Our patient had a Brugada Type 1 pattern elicited by an elevated core temperature, which is also a documented phenomenon. He denied chest pain or shortness of breath.

E-9-1-1 67

E-9-1-1 CAD OR STEMI 67

Dr. Smith's ECG Blog

JUNE 14, 2017

I’ve attached an article and an abstract (that article is in Japanese unfortunately … ) that do document that you CAN however on occasion find AIVR in otherwise healthy children — and I suppose that IS what we have here. Is there STEMI? As we see in ECG #3 — the regular rhythm is NOT sinus, because the P wave is negative in lead II.

STEMI 52

STEMI Coronary ED OR 52

Dr. Smith's ECG Blog

JUNE 4, 2019

T his is a systematic failure that has been documented in the following study: Garg A, Lehmann MH. OMI often does not meet STEMI criteria. If you rely on STEMI criteria, or on the computer algorithm, many of your patients will progress to a completed MI. Circ Arrhythm Electrophysiol. 2013;6(1):76-83. "The No opiates were given.

STEMI 52

STEMI ED OR 52

Dr. Smith's ECG Blog

JULY 11, 2018

This is of course diagnostic of an acute coronary occlusion MI (OMI) that also meets STEMI criteria. Comment by KEN GRAUER, MD ( 7/11/2018 ): = Insightful blog post by Dr. Smith regarding ECG criteria for recognizing acute RV involvement in patients with inferior STEMI. But which myocardial walls are affected?

Coronary 52

Coronary STEMI ED ALS 52

ACEP Now

JULY 6, 2023

4 Formerly, chest pain patients without an S-T Elevation Acute Myocardial Infarction (STEMI), whose pain was suspected to be cardiac in nature, became inpatients for sequential monitoring of their lactate dehydrogenase and creatine kinase isozyme profiles. 2 Technological changes have helped emergency physicians become more efficient.

ALS 52

ALS Emergency Department STEMI ED 52