Linked from

The 65 pages that link to Electrocardiography, each with the reason it gives.

• EchocardiographyCompared with: It measures electrical signals rather than directly imaging cardiac structure or motion.

• Cardiovascular diseaseRelated: It helps detect rhythm abnormalities and signs of cardiac injury.

• Atrial fibrillationRelated: An electrocardiogram can reveal the rhythm's characteristic absence of organized atrial activity.

• SyncopeRelated: An ECG can reveal rhythm or conduction abnormalities linked to fainting.

• Myocardial infarctionRelated: Characteristic electrical changes help identify an acute infarction and guide urgent care.

• QT intervalNarrower topic: The QT interval is measured from this recording.

• ElectrodeRelated: Surface electrodes capture potential differences produced by cardiac activity.

• HyperkalemiaRelated: Characteristic tracing changes can signal potassium-related effects on cardiac conduction.

• RhabdomyolysisRelated: Electrocardiography can reveal cardiac effects of potassium and calcium disturbances.

• Cardiac conduction systemRelated: An electrocardiogram displays electrical events produced as impulses travel through the heart.

• HypokalemiaRelated: Potassium depletion can produce characteristic ECG changes and dangerous rhythm disturbances.

• BradycardiaRelated: An ECG distinguishes slow sinus rhythm from conduction block and other rhythms.

• IschemiaRelated: Electrocardiographic changes can reveal myocardial ischemia, though a normal tracing does not exclude it.

• Medical deviceBroader topic: An electrocardiograph detects and records cardiac signals through skin electrodes.

• Heart rateRelated: An electrocardiogram measures beat timing directly from electrical signals.

• Sudden cardiac deathRelated: Its role in screening asymptomatic people depends on accuracy, population, and follow-up.

• PolysomnographyRelated: A heart rhythm channel can reveal cardiac responses to sleep events.

• Electrolyte imbalanceRelated: Electrocardiograms can reveal cardiac effects of potassium and calcium disturbances.

• Angina pectorisRelated: An ECG can reveal ischemic changes during pain or help assess an acute episode.

• Ventricular fibrillationRelated: Electrocardiographic monitoring confirms rhythm changes and helps assess recurrence risk.

• Automated external defibrillatorRelated: An AED analyzes electrical signals from adhesive chest electrodes to classify rhythm.

• ElectrocardiogramNarrower topic: The electrocardiogram is the trace produced by this broader method.

• ElectrophysiologyBroader topic: It applies electrophysiological recording to cardiac activity at the body's surface.

• Implantable cardioverter-defibrillatorRelated: ICD sensing relies on electrical signals from the heart to classify its rhythm.

• Ventricular tachycardiaRelated: Electrocardiograms reveal the rapid ventricular activation pattern used to identify the rhythm.

• Circulatory systemRelated: Its measurements help assess the heart that drives blood circulation.

• Tricyclic antidepressantRelated: Widened QRS complexes on an ECG can signal serious tricyclic toxicity and guide treatment.

• Acute coronary syndromeRelated: ECG findings rapidly classify presentations and reveal ischemic changes.

• HeartRelated: An electrocardiogram reveals the timing and coordination of cardiac electrical signals.

• HypocalcemiaRelated: An ECG can reveal QT prolongation and other cardiac effects of severe hypocalcemia.

• TelemetryRelated: Electrocardiographic signals are commonly sent by cardiac telemetry.

• Torsades de pointesNarrower topic: ECG recordings reveal the twisting QRS pattern and the prolonged QT interval.

• HypomagnesemiaRelated: An ECG can reveal rhythm disturbances or QT prolongation associated with deficiency.

• Supraventricular tachycardiaRelated: An ECG can reveal the rhythm and help distinguish SVT subtypes.

• Vital signsCompared with: It evaluates cardiac rhythm and electrical patterns beyond a pulse count.

• Heart rate variabilityRelated: Electrocardiograms identify the electrical peaks used to measure successive heartbeat intervals.

• Holter monitorNarrower topic: A Holter monitor is a portable form of electrocardiography.

• Ventricular septal defectRelated: It can reveal chamber enlargement or rhythm changes associated with a significant VSD.

• ArrhythmiaRelated: Its waveforms reveal abnormal heart rates, rhythms, and conduction patterns.

• Cardiovascular systemRelated: Its traces help identify rhythm disturbances and signs of cardiac injury.

• HypoparathyroidismRelated: Severe hypocalcemia can prolong the QT interval and increase cardiac risk.

• PalpitationsRelated: An electrocardiogram can distinguish a perceived abnormal beat from a documented rhythm disturbance.

• Sinus tachycardiaRelated: A tracing shows sinus-origin P waves preceding the rapid QRS complexes.

• TachycardiaRelated: An electrocardiogram can identify the rhythm responsible for a fast heart rate.

• Wolff–Parkinson–White syndromeRelated: An electrocardiogram can reveal the short PR interval and delta wave associated with pre-excitation.

• CardiologyRelated: It detects rhythm disorders and electrical signs of heart disease.

• DizzinessRelated: Dizziness with faintness can prompt evaluation for a cardiac rhythm cause.

• WaveformRelated: Electrocardiograms are interpreted partly through the shape and timing of their waveforms.

• Brugada syndromeNarrower topic: Brugada syndrome is recognized chiefly through characteristic findings on an ECG.

• ImipramineRelated: An ECG can reveal conduction abnormalities in suspected imipramine poisoning.