ECG Quest > Rhythms > Sinus Rhythms > Normal Sinus Rhythm

Normal Sinus Rhythm

Normal sinus rhythm is a normal rhythm that originates from the sinus (SA) node. If there are no other abnormalities, the ECG will have a normal P, PR and QRS complex, and the rate will be normal (60-100 bpm).

See also: Sinus Rhythms

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References

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In the ECGquest archives, this ECG has been tagged with: - Chest pain Dyspnoea Inverted T waves Atrial ectopic beat Normal Sinus Rhythm Acute right heart strain Pulmonary embolism 12-Lead Dr Smith's ECG Blog CC BY-NC
An elderly woman transferred to you for chest pain, shortness of breath, and positive troponin – does she need the cath lab now?

This ECG is from an elderly woman who presented with sudden onset shortness of breath after months of inactivity due to a back injury.

This ECG shows sinus tachycardia with large inverted T waves, consistent with right heart strain. The cause was a very large PE.

In the ECGquest archives, this ECG has been tagged with: - Chest pain PR segment depression Widespread ST elevation Normal Sinus Rhythm Pericarditis 12-Lead ECG of the Week CC-BY-NC-SA
ECG of the Week – 24th December 2018 – Interpretation

This ECG is from a man in his 30s who presented with 2 days of positional left sided chest pain.

This ECG shows normal sinus rhythm with widespread ST elevation and PR depression. The diagnosis was pericarditis.

In the ECGquest archives, this ECG has been tagged with: - Chest pain Movement artefact Normal Sinus Rhythm 12-Lead ECG of the Week CC-BY-NC-SA
ECG of the Week – 10th December 2018 – Interpretation

This ECG is from a man in his 80s who presented with chest pain. He had a history of Parkinson's disease.

This ECG shows significant baseline artefact due to a Parkinsonian tremor.

In the ECGquest archives, this ECG has been tagged with: - Chest pain Normal Axis Inverted T waves Tall QRS Normal Sinus Rhythm Normal 12-Lead Paediatric ECG Guru CC-BY-NC-SA
Instructors’ Collection ECG: Normal ECG in Seven-year-old Girl

This ECG is from a young girl with mild chest pain.

This ECG shows normal sinus rhythm with inverted T waves in V1 and a tall QRS complex. This was a normal paediatric ECG.

In the ECGquest archives, this ECG has been tagged with: - Inverted T waves J wave Tall QRS Normal Sinus Rhythm Normal 12-Lead Dr Pendell Meyers Dr Smith's ECG Blog Dr Ken Grauer CC BY-NC
Two cases of ST Elevation with Terminal T-wave Inversion – do either, neither, or both need reperfusion?

This ECG is from a teenage male who presented with chest tightness and shortness of breath for 6 hours on a background of asthma.

This ECG shows sinus rhythm with tall QRS and associated repolarisation changes, benign T wave inversion in V3-V6 with J-waves and ST-elevation.

In the ECGquest archives, this ECG has been tagged with: - Anterior ST elevation Inverted T waves Normal Sinus Rhythm Old anterior MI 12-Lead Dr Pendell Meyers Dr Smith's ECG Blog Dr Ken Grauer CC BY-NC
Two cases of ST Elevation with Terminal T-wave Inversion – do either, neither, or both need reperfusion?

This ECG is from a man of unknown age who had cardiac stents placed 2 months ago.

This ECG shows sinus rhythm with QS-waves and ST elevation in V1-V3, with some terminal T-wave inversion. Serial troponins and angiography was normal.

In the ECGquest archives, this ECG has been tagged with: - Nonspecific baseline artefact Regular Right Axis Deviation Anterior ST depression Inferior ST depression Inverted T waves R in V1 Tall P waves Normal Sinus Rhythm Right atrial enlargement 12-Lead ECG Interpretation CC-BY-NC-SA
ECG Blog #156 (LVH – RVH – LAA – RAA – Strain – Ischemia)
In the ECGquest archives, this ECG has been tagged with: - Normal Axis Normal T waves Normal Sinus Rhythm 12-Lead Dr Pendell Meyers Dr Smith's ECG Blog Dr Ken Grauer CC BY-NC
A Tale of 2 Occlusions in the Same Patient: one with Expert ECG interpretation, the Other Without – baseline ECG

This ECG is from a man in his 40s who presented with chest discomfort and diaphoresis since waking a few hours earlier, on a background of prior infarction with PCI years ago, active smoking, high cholesterol and hypertension. This was the baseline ECG from 2 years prior.

In the ECGquest archives, this ECG has been tagged with: - High V1/V2 misplacement Normal Axis Normal P waves Normal T waves Normal Sinus Rhythm Normal 12-Lead Serial 12-lead Dr Pendell Meyers Dr Smith's ECG Blog Dr Ken Grauer CC BY-NC
A pathognomonic ECG you should recognize instantly. Baseline ECG

This ECG is from a patient of unknown age who presented with generalised weakness and malaise. This was the baseline ECG from a previous presentation.

In the ECGquest archives, this ECG has been tagged with: - Seizure R in aVR Wide QRS Normal Sinus Rhythm Sodium channel blocker toxicity 12-Lead Dr Smith's ECG Blog Dr Ken Grauer CC BY-NC
Bupropion Overdose Followed by Cardiac Arrest and, Later, ST Elevation. Is it STEMI? 8 hours later.

This ECG is from a young woman who presented with status epilepticus seizures and an apparent overdose of bupropion, with possible cocaine ingestion. She was intubated and given propofol and benzodiazepines, which terminated the seizures. This was the repeat ECG 8 hours after presentation, just before she arrested.

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