Normal PR

A normal PR interval is 3-5 mm (120 – 200 ms) at standard settings.

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ECG Library (52)

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In the ECGquest archives, this ECG has been tagged with: - 12-Lead Bradycardia Early R wave transition Narrow QRS Normal Axis Normal P waves Normal PR Tall QRS Sinus arrhythmia Sinus bradycardia ECG of the Week CC-BY-NC-SA
ECG of the Week – 23rd April 2018 – Interpretation
In the ECGquest archives, this ECG has been tagged with: - Chest pain 12-Lead Dagger Q waves Inferior ST depression Lateral ST depression Narrow QRS Normal Axis Normal PR Tall QRS Normal Sinus Rhythm Hypertrophic cardiomyopathy ECG of the Week CC-BY-NC-SA
ECG of the Week – 5th March 2018 – Interpretation

This ECG is from a man in his 30s who presented to the Emergency Department following a brief episode of atypical chest pain.

In the ECGquest archives, this ECG has been tagged with: - Diarrhoea 12-Lead Standard Calibration Inferior ST depression Lateral ST depression Long QT Narrow QRS Normal Axis Normal PR Normal rate Regular Normal Sinus Rhythm Hypocalcaemia Hypomagnesaemia ECG of the Week CC-BY-NC-SA
ECG of the Week – 29th January 2018 – Interpretation

This ECG is from a man in his 60s presented with several weeks of diarrhoeal illness following overseas travel. He had a past medical history of ischaemic cardiomyopathy. His medications included warfarin, a beta-blocker, a PPI, an ACE inhibitor and diuretics.

In the ECGquest archives, this ECG has been tagged with: - 12-Lead Serial 12-lead Standard Calibration Narrow QRS Normal Axis Normal P waves Normal PR Normal rate Normal ST segment Normal T waves Normal Dr Smith's ECG Blog CC BY-NC
Is this ECG diagnostic of coronary occlusion? Also: Inferior de Winter’s T-waves on prehospital ECG?? Baseline ECG

This ECG is from a man in his 50s presented with 1 hour of post exertional chest pressure associated with diaphoresis and nausea. He had a history of coronary artery disease, diabetes, and dyslipidemia.

In the ECGquest archives, this ECG has been tagged with: - 12-Lead Serial 12-lead Standard Calibration Narrow QRS Normal Axis Normal P waves Normal PR Normal rate Normal T waves Normal Sinus Rhythm Dr Smith's ECG Blog CC BY-NC
Is this ECG diagnostic of coronary occlusion? Also: Inferior de Winter’s T-waves on prehospital ECG?? Prehospital ECG 1
In the ECGquest archives, this ECG has been tagged with: - Dyspnoea 12-Lead Electrical interference artefact Normal Axis Normal PR Normal rate Regular Wide QRS RBBB ECG of the Week CC-BY-NC-SA
ECG of the Week – 22rd January 2018 – Interpretation

This ECG is from a woman in her 70s who presented with a history of progressively worsening dyspnoea and peripheral oedema. Her past medical history included ischaemic heart disease and hypertension.

In the ECGquest archives, this ECG has been tagged with: - Abdominal pain 12-Lead Anterior ST elevation Inferior ST elevation Inverted T waves Narrow QRS Normal Axis Normal PR Normal rate Regular Widespread ST elevation Takotsubo cardiomyopathy ECG of the Week CC-BY-NC-SA
ECG of the Week – 15th January 2018 – Interpretation

This ECG is from a woman in her 60s presented with a 3 day history of colicky right upper quadrant abdominal pain. She had no known past medical history.

In the ECGquest archives, this ECG has been tagged with: - Chest pain Hypotension 12-Lead De Winter T waves Narrow QRS Normal Axis Normal PR Upsloping ST depression Spontaneous coronary artery dissection Acute Anterior MI ECG of the Week CC-BY-NC-SA
ECG of the Week – 8th January 2018 – Interpretation

This ECG is from a woman in her 30s presented following a collapse 5 days post-partum. On arrival to the Emergency Department she was hypotensive ( systolic BP ~80 mmHg) with an altered conscious level, complaining of chest pain and headache.

In the ECGquest archives, this ECG has been tagged with: - 12-Lead Normal Axis Normal P waves Normal PR Sinus tachycardia RBBB ECG of the Week CC-BY-NC-SA
ECG of the Week – 1st January 2018 – Interpretation

This ECG is from a woman in her 20s with a known history of pre-excitation and prior ablation.