Master this deck with 15 terms through effective study methods.
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They can cause severe symptoms like syncope and sudden cardiac death.
Ventricular arrhythmias originate in the ventricles, while supraventricular ones originate above the ventricles.
They are extra heartbeats often felt as a skipped beat.
Widened QRS complex and a compensatory pause after the PVC.
β-Blockers may be used if lifestyle changes are ineffective.
A rapid heart rate of 100 to 250 beats/min with coordinated contractions.
Patients are typically unconscious and pulseless.
They often originate from scar tissue after myocardial infarction.
A form of polymorphic VT associated with electrolyte imbalances.
It regulates cardiac ion channels, affecting action potential thresholds.
A rhythm originating in the ventricle with a rate of 60 to 100 beats/min.
Conduction begins in the ventricles, skipping the atria.
A bradyarrhythmia with a heart rate of 40 to 60 beats/min originating at the AV node.
They may be absent or inverted due to abnormal conduction.
Correcting the underlying cause, often without medication.