Normal rate

In adults, a normal heart rate is usually 60-100 beats per minute. At standard settings, this means there will be 3-5 large grid squares between beats.

See also: Rate

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References

ECG Library (111)

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In the ECGquest archives, this ECG has been tagged with: - 12-Lead Irregular Normal rate Tall U waves Wide QRS Atrial fibrillation Hypokalemia Dr Smith's ECG Blog CC BY-NC
Pre-existing Left Bundle Branch Block and Atrial Fib: what is alarming on this routine pre-procedure ECG?

This ECG is from an elderly patient who had a routine pre-procedure ECG.

This ECG shows atrial fibrillation with LBBB (old) and large U waves. The cause was hypokalemia.

In the ECGquest archives, this ECG has been tagged with: - Chest pain 12-Lead Anterior ST elevation Normal Axis Normal rate Regular Acute Anterior MI Dr Smith's ECG Blog CC BY-NC
Is this ST elevation normal or abnormal?

This ECG is from a man in his 50s who presented with less than an hour of chest pain. This was his initial ECG.

This ECG shows subtle ST elevation in V2 and V3 with a very small amount of ST depression in V4-6. He was monitored and the ECG progressed into a clear STEMI. Catheterisation showed 95% proximal LAD stenosis and occluded 1st diagonal.

In the ECGquest archives, this ECG has been tagged with: - Syncope 12-Lead Left Axis Deviation Long PR Normal rate RSR' Wide QRS First degree AV block LAFB RBBB Trifascicular block ECG of the Week CC-BY-NC-SA
ECG of the Week – 26th November 2018 – Interpretation

This ECG is from a man in his 60s who presented after an episode of syncope.

This ECG shows bifascicular block (RBBB + LAFB) with a first degree AV block. He underwent pacemaker insertion.

In the ECGquest archives, this ECG has been tagged with: - Chest pain Dyspnoea Double speed 50 mm/sec Limb leads Normal Axis Normal rate ECG of the Week CC-BY-NC-SA
ECG of the Week – 19th November 2018 – Interpretation

This ECG is from a man in his 30s who presented with dyspnoea and chest tightness.

This ECG shows a normal ECG recorded with a non-standard calibration of 50 mm/sec, making the trace look twice as slow as it really was.

In the ECGquest archives, this ECG has been tagged with: - 12-Lead Narrow QRS Normal Axis Normal Q wave Normal rate Dr Smith's ECG Blog CC BY-NC
Chest Pain and RBBB. What do you think?

This ECG is from an elderly woman who presented with 25 min of chest pain after working out. This was her baseline ECG.

In the ECGquest archives, this ECG has been tagged with: - Chest pain 12-Lead Anterior ST elevation Left Axis Deviation Long PR Normal rate Regular Acute Anterior MI ECG of the Week CC-BY-NC-SA
ECG of the Week – 22nd October 2018 – Interpretation
In the ECGquest archives, this ECG has been tagged with: - 12-Lead Electrode misplacement Extreme Axis Inverted P waves Inverted T waves Normal rate Regular ECG of the Week CC-BY-NC-SA
ECG of the Week – 24th September 2018 – Interpretation

This ECG is from a male in his teens who presented with episodes of his hands turning cold and blue for several hours at a time.

In the ECGquest archives, this ECG has been tagged with: - 12-Lead Early R wave transition Inverted T waves Normal Axis Normal rate Regular Hypertrophic cardiomyopathy ECG of the Week CC-BY-NC-SA
ECG of the Week – 3rd September 2018 – Interpretation

This ECG is from a man in his 60s who presented with abnormal limb movement.

In the ECGquest archives, this ECG has been tagged with: - Chest pain 12-Lead Anterior ST depression Inferior ST elevation Normal Axis Normal rate Acute Inferior MI Acute Lateral MI Acute Posterior MI ECG of the Week CC-BY-NC-SA
ECG of the Week – 6th August 2018 – Interpretation

This ECG is from a woman in her 70s who presented with 2 hours of central chest pain, on a background of hypertension and hypercholesterolaemia.

In the ECGquest archives, this ECG has been tagged with: - Syncope 12-Lead Fibrillation waves Normal rate Atrial fibrillation Sick sinus syndrome Dr Smith's ECG Blog CC BY-NC
Syncope and Atrial fibrillation in a Healthy 70-something Male

This ECG is from a man in his 70s presented with syncope for 20 seconds. He had no past medical history. He recovered fully.

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