12-Lead

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ECG Library (2075)

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In the ECGquest archives, this ECG has been tagged with: - Chest pain 12-Lead Anterior ST depression Acute Inferior MI Acute Posterior MI Serial ECGs & Dynamic Changes Dr Smith's ECG Blog CC BY-NC
A man in his 70s with chest pain during a bike ride

This ECG is from a man in his 70s who presented with chest pain that started during bike riding.

This ECG shows subtle ST depression in V2-6 and ST elevation in III. He had multi vessel disease with a near-occlusive culprit RCA lesion.

In the ECGquest archives, this ECG has been tagged with: - Hypotension Syncope 12-Lead Sinus arrhythmia Sinus tachycardia High grade AV block Ventriculophasic sinus arrhythmia Acute Inferior MI Acute Posterior MI Right ventricular MI ECG Interpretation CC-BY-NC-SA
ECG Blog #168 (STEMI – complex AV Block – Laddergram – Calipers)

This ECG is from a middle-aged woman who presented with syncope and hypotension.

This ECG shows sinus tachycardia with inferior ST elevation and reciprocal ST depression in aVL. Also ST elevation in V1 and ST depression in V2-4. The most likely cause was acute inferoposterior MI due to proximal RCA occlusion.

In the ECGquest archives, this ECG has been tagged with: - Chest pain 12-Lead Flat T waves Acute Lateral MI Dr Smith's ECG Blog CC BY-NC
Chest pain with NonDiagnostic ECG but Diagnostic CT Scan

This ECG is from an elderly woman who presented with several hours of chest pain radiating to the back.

This ECG shows flat T waves in aVL but otherwise normal. Troponin was elevated. CT showed no dissection but an area of transmural ischemia. Serial ECGs showed no change. The cause was an occluded OM1.

In the ECGquest archives, this ECG has been tagged with: - Chest pain Hypertension 12-Lead Discordant ST changes Tall QRS Wide QRS LBBB ST changes with LBBB Dr Smith's ECG Blog CC BY-NC
A 50-something woman with chest pain, BP 230/120, and LBBB with 7 mm ST Elevation

This ECG is from a woman in her 50s who presented with chest pressure on a background of heart failure and hypertension. BP 223/125.

This ECG shows sinus rhythm, LBBB and anterior ST elevation. Sgarbossa positive but modified sgarbossa negative. Echo showed LVH, troponin did show a rise and fall, MIBI showed normal perfusion. The most likely cause was a type II MI. The ECG changes did not evolve and were likely baseline changes.

In the ECGquest archives, this ECG has been tagged with: - 12-Lead Serial 12-lead Biphasic T waves Wellens syndrome Serial ECGs & Dynamic Changes Dr Smith's ECG Blog CC BY-NC
A 40-something healthy male with transient chest squeezing: next morning

This ECG is from a man in his 40s who presented with intermittent chest tightness, shortness of breath and diaphoresis. This was taken the next day after symptoms resolved.

This ECG shows biphasic T waves caused by Wellens' syndrome.

In the ECGquest archives, this ECG has been tagged with: - Chest pain 12-Lead Anterior ST depression Inferior ST elevation Wide QRS LPFB RBBB Acute Inferior MI Acute Posterior MI Dr Smith's ECG Blog CC BY-NC
Teach your learners: when the QRS is wide, the J-point will hide, so trace it down and copy it over!

This ECG is from a middle aged man who presented with chest pain and diaphoresis while exercising. He had a VSD repair at age 6.

This ECG shows sinus tachycardia with RBBB + LPFB. ST elevation in III and aVF with reciprocal ST depression in aVL. ST depression in V2-5. The cause was inferoposterior MI, due to severe triple vessel disease and a culprit 100% circumflex occlusion.

In the ECGquest archives, this ECG has been tagged with: - 12-Lead Anterior ST elevation Pathological Q waves Old vs new ischemia Dr Smith's ECG Blog CC BY-NC
Unusual: Troponin Trajectory to Help Determine Ongoing/Recurrent Infarction vs. Completed Infarction.

This ECG is from a man in his 40s who presented with a cough, shortness of breath and several episodes of chest pressure over the past week or so.

This ECG shows anterior ST elevation and deep QS waves. There was a 100% LAD occlusion that was approximately 2 weeks old.

In the ECGquest archives, this ECG has been tagged with: - 12-Lead Hyperacute T waves ST elevation in aVR Widespread ST depression Diffuse subendocardial ischaemia Dr Smith's ECG Blog CC BY-NC
Chest pain, pelvic and abdominal pain, hypotension, and severe ischemia on the ECG

This ECG is from an elderly male who presented with lethargy and pelvic pain. He was hypotensive (66/31), pulse 80.

This ECG shows widespread ST depression and reciprocal ST elevation in aVR due to diffuse subendocardial ischemia. The most likely cause was septic shock.

In the ECGquest archives, this ECG has been tagged with: - Abdominal pain Chest pain 12-Lead Coved ST elevation Peaked T waves Tachycardia Wide QRS Sinus tachycardia Hyperkalemia Dr Smith's ECG Blog CC BY-NC
Do you recognize this ECG yet?

This ECG is from a man in his 30s who presented with chest pain and RUQ abdominal pain, on a background of type 1 diabetes. His BSL was high.

This ECG shows sinus tachycardia with a wide QRS, R in aVR, coved ST elevation and peaked T waves. The cause was hyperkalemia.

In the ECGquest archives, this ECG has been tagged with: - Loss of consciousness 12-Lead Peaked T waves Short QT Dr Smith's ECG Blog CC BY-NC
What is the differential of this very unusual ECG?

This ECG is from a young male who presented with a gun shot wound to the head.

This ECG shows tall peaked T waves and short QT. Potassium and calcium levels were normal. These findings are unusual but the cause may have been intracranial haemorrhage.

In the ECGquest archives, this ECG has been tagged with: - Syncope 12-Lead Inferior ST elevation Lateral ST elevation Normal Dr Smith's ECG Blog CC BY-NC
An ECG sent to me with concern for hyperacute T-waves

This ECG is from a woman in her 70s who presented with sudden nausea, diaphoresis and brief syncope.

This ECG shows subtle concave ST elevation in inferior leads and V4-6. The angiogram was normal, troponins negative and echo showed no wall motion abnormality. The most likely cause was a normal variant.

In the ECGquest archives, this ECG has been tagged with: - Dyspnoea Weakness 12-Lead Concordant ST depression in V1-V3 Concordant ST elevation Pacemaker spikes Wide QRS Ventricular pacemaker Acute Lateral MI Positive Sgarbossa criteria Dr Smith's ECG Blog CC BY-NC
Elderly with Paced Rhythm, Possible Ischemic symptoms, and an Equivocal Smith Modified Sgarbossa ECG

This ECG is from a woman in her 80s who presented with a couple of days of shortness of breath, weakness and diaphoresis.

This ECG shows ventricular paced rhythm with concordant ST elevation V5-6 and concordant ST depression in V3. The cause was an occlusion of the circumflex.