antiarrhythmics
Cardiac rhythm regulators
Antiarrhythmics are medications that treat irregular heartbeats by stabilizing the heart's electrical activity.
They work through various mechanisms—blocking sodium channels, slowing nerve impulses, or regulating calcium flow.
Doctors prescribe them for conditions like atrial fibrillation or ventricular tachycardia: The cardiologist started her on antiarrhythmics after the episode.
Excessively fast pulse
- fibrillationRapid irregular muscle contractions
- bradycardiaAbnormally slow heart rate
- flutterRapid light movement
- palpitationsAwareness of abnormal heartbeat
atrial · ventricular · ectopic · PVCs · PACs · paroxysmal · reentry
Topical numbing medication
- quinidineCardiac rhythm normalizer
- adenosinePurine nucleoside in cells
- verapamilCalcium channel blocking agent
- metoprololBeta-adrenergic blocking agent
Heat transfer through contact
- repolarizationMembrane voltage reset
- depolarizationLoss of electrical gradient
- P-waveLongitudinal seismic wave
- ablationRemoval by cutting, melting
Heart-shocking medical device
- pacemakerDevice regulating heartbeat
- ICDDisease classification system
- CRTVacuum tube display
- implantableCapable of bodily insertion
cardioverter · leads · generator · sensing · pacing · battery · interrogation · programming
Treatment using pharmaceutical agents
- dosageMeasured medicine amount
- titrationMeasuring concentration by addition
- maintenancePreserving working condition
- efficacyAbility to produce results
monitoring · adherence · side-effects · contraindications · half-life
tachycardia
Excessively fast pulse
- fibrillationRapid irregular muscle contractions
- bradycardiaAbnormally slow heart rate
- flutterRapid light movement
palpitations · atrial · ventricular · ectopic · PVCs · PACs · paroxysmal · reentry
lidocaine
Topical numbing medication
conduction
Heat transfer through contact
- repolarizationMembrane voltage reset
- depolarizationLoss of electrical gradient
- P-waveLongitudinal seismic wave
defibrillator
Heart-shocking medical device
implantable · cardioverter · leads · generator · sensing · pacing · battery · interrogation · programming · subcutaneous
pharmacotherapy
Treatment using pharmaceutical agents
- dosageMeasured medicine amount
- titrationMeasuring concentration by addition
- maintenancePreserving working condition
efficacy · monitoring · adherence · side-effects · contraindications · half-life
antiarrhythmicspacemakers
Implanted cardiac rhythm devices
ICDs · cardioversion · defibrillation · surgical intervention