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ECG Cases 32 Prehospital ECG pearls and pitfalls
by Jesse McLaren
Jun 21, 2022
In this ECG Cases blog we review 8 cases of patients with prehospital ECGs and explore prehospital ECGs for diagnosing STEMI, Occlusion MI, false S...
Tactical Medicine News
ECG Cases 31 Is a 15 lead ECG better than 12? Diagnosing Posterior MI and RVMI
Is 15 lead ECG better than 12 lead for diagnosing posterior MI or right ventricular infarction? When do you need a 15 lead ECG? Jesse McLaren guide...
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ECG Cases 30 Beware Computer Interpretation Errors
Computer interpretation of the ECG has been called a double-edged sword: when correct, it increases physician accuracy, but when incorrect it incre...
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ECG Cases 29 Misdiagnosis from Lead Misplacement, Artifact and Lead Reversal
In this ECG Cases blog we review 10 cases of possible artifact, lead reversal and lead misplacement. Can you spot the abnormalities and avoid the m...
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ECG Cases 28 Approach to Atrial Fibrillation
Jesse McLaren explains his AFIB mnemonic for approach to atrial fibrillation that involves 4 questions: 1. Is it atrial fibrillation? 2. If it is a...
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ECG Cases 27 Pericarditis – Diagnosis of Exclusion
Jesse McLaren guides us through 9 cases and explains how pericarditis is a diagnosis of exclusion through 3 simple steps: 1. Exclude more serious c...
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ECG Cases 26: Pulmonary Embolism and Acute RV Strain
In this month's ECG Cases Dr. Jesse McLaren runs through 10 cases and explains how the ECG can be integral in the diagnosis and management of pulmo...
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ECG Cases 25: ‘Late STEMI’ – How acute is the coronary occlusion?
In this ECG Cases blog we look at 10 patients with potentially ischemic symptoms. Which had a coronary occlusion, and how acute were they? Jesse Mc...
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ECG Cases 24 Reciprocal Change and Occlusion MI
Dr. Jesse MacLaren reviews 10 ECG cases highlighting how reciprocal change can be secondary to LBBB/LVH, primary changes, or both, how it can be th...
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ECG Cases 23 – Wellens syndrome, reperfusion and reocclusion MI
Eight patients presented with potentially ischemic symptoms and T-wave inversions. Which had occlusion MI, which were reperfused and which were reo...
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ECG Cases 22: T-wave INVERSION mnemonic
The differential for T-wave INVERSION includes: Incorrect lead placement, No bundle (RBBB, LBBB), Ventricular hypertrophy (LVH, RVH), Embolism, Rec...
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ECG Cases 21: Hyperacute T-waves and Occlusion MI
In this month's ECG Cases blog, Dr. Jesse MacLaren guides us through 10 cases of patients whose ECGs show tall T-waves and gives us the tools to di...
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ECG Cases 20 – Approach to Bradycardia and the BRADI Mnemonic
In this ECG Cases we review 10 patients who presented with bradycardia, introduce an approach to reversible causes using the BRADI mnemonic and gui...
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ECG Cases 19 Tachycardias – Approach, WIDER Mnemonic for Wide SVT DDx, VT vs SVT
In this ECG Cases blog Jesse McLaren review an approach to tachycardia, explore the WIDER mnemonic for wide SVT differential diagnosis, and how to ...
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ECG Cases 18 – ST DEPRESSED Mnemonic and Occlusion MI
In this ECG Cases blog we look at 10 patients who presented with potentially ischemic symptoms and ST depression. Which had occlusion MI?
The post ...
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ECG Cases 17 – ST ELEVATIONS mnemonic and Occlusion MI
In this ECG Cases blog we look at 10 patients who presented with ST elevation, and review the differential diagnosis of ST elevation using the ELEV...
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ECG Cases 16: Poor R-wave progression – The LATE mnemonic
In this ECG Cases blog we examine 6 patients who presented with poor R wave progression, and the LATE mnemonic for the differential...
The post ECG...
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ECG Cases 15: Tall R Wave in V1
8 patients presented with ECGs showing a tall R wave in V1. What was the diagnosis? Jesse MacLaren reviews ECG interpretation of a tall R wave in V...
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ECG Cases 14: Q-wave and Occlusion MI
9 patients presented with potentially ischemic symptoms and Q-waves. Which had Occlusion MI? What is the differential diagnosis of Q-waves? How can...
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ECG Cases 13: LVH and Occlusion MI
LVH produces secondary repolarization abnormalities that can mimic STEMI. Signs of occlusion MI in patients with LVH include: new Q waves/loss of R...
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ECG Cases 12: RBBB and Occlusion MI
In this ECG Cases blog we look at 7 patients with RBBB and potentially ischemic symptoms. Which had RBBB and occlusion MI?...
The post ECG Cases 12...
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ECG Cases 11: LBBB + Occlusion MI
In ECG Cases 11 - LBBB + Occlusion MI Jesse McLaren runs through 5 patients who present with potentially ischemic symptoms and LBBB and explains th...
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ECG Cases 10 – Hyperkalemia: The Great Imitator
Which of the following 9 patients had hyperkalemia? Can you estimate how high their serum potassium was based on the ECG? Jesse MacLaren guides us ...
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ECG Cases 9 – First Diagonal Occlusion
Seven patients with ischemic symptoms, none meeting STEMI criteria but all identified by a specific pattern of first diagonal branch occlusion are ...
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ECG Cases 8 Cardiovascular Emergencies During The COVID-19 Pandemic
In this ECG Cases blog we look at 6 patients who presented with cardiorespiratory symptoms, possibly from COVID and illustrate the dangers of ancho...
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ECG cases 7: ST elevation in aVR, STEMI-equivalent?
10 patients presented with the "STEMI-equivalent" ST elevation in aVR with diffuse ST depression. Which had acute coronary occlusion? Jesse McLaren...
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ECG cases 6: Posterior MI – Still Under-recognized
In this ECG Cases blog we look at 8 patients with potentially ischemic symptoms, none of whom had STEMI on the 12 lead ECG. Which had occlusion MI?...
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ECG Cases 5: Cardiac Syncope
In this ECG Cases blog we look at seven patients with cardiac syncope, and a systematic approach to ECG interpretation...
The post ECG Cases 5: Car...
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ECG Cases 4: Lateral STEMI or Occlusion MI?
In this ECG Cases blog we look at seven patients with potentially ischemic symptoms and subtle ECG changes in the lateral leads. Which had acute co...
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ECG Cases 3: Can you find the subtle inferior MI?
In this ECG Cases blog we look at 8 patients with potentially ischemic symptoms, to highlight pearls and pitfalls of inferior MI. Can you identify ...
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ECG Cases 2: Early Repolarization or Anterior STEMI?
In this ECG Cases blog we present ECGs from 7 patients who presented with chest pain and mild anterior ST elevation. Can you identify which were ea...
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ECG Cases 1: Missed Ischemia – Never Trust the ECG Computer Interpretation
In EM Cases' first ECG Cases blog we review 7 examples of ECGs of patients presenting to the ED with chest pain, who's ECG were read as normal by t...
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