Cardiac Device Manufacturing Glossary

A lead attachment mechanism using a retractable helical screw to anchor the electrode to cardiac tissue.

A low-energy ICD therapy that uses rapid pacing pulses to terminate ventricular tachycardia without delivering a shock.

Percentage of time a patient experiences specific arrhythmias, as measured and calculated by cardiac device diagnostics.

Success rate of antitachycardia pacing in terminating ventricular tachycardia without requiring high-voltage shock thera...

Detected period of rapid atrial rhythm above programmed detection thresholds, stored by device diagnostics for clinical...

The programmed time after an atrial event during which the atrial sensing circuit is temporarily disabled.

A device feature that automatically adjusts pacing output to maintain capture while optimizing battery life.

The gradual exhaustion of a cardiac device's power source, indicated by specific voltage thresholds and device behaviors...

Required laboratory evaluation of device materials to ensure they do not cause adverse biological reactions when implant...

A cardiac lead with both positive and negative electrodes located at the distal tip within the heart.

A programmed interval during which the device ignores electrical signals to prevent inappropriate sensing.

A cardiac condition characterized by alternating periods of slow and fast heart rhythms, often requiring dual-chamber pa...

The inability of a pacing pulse to initiate myocardial depolarization despite adequate electrical stimulation.

The minimum electrical energy required to consistently stimulate myocardial contraction through a pacing lead.

The minimum pulse width required to achieve capture at twice the rheobase voltage.

Umbrella term for implanted cardiac devices including pacemakers, ICDs, and CRT devices used in medical documentation.

Atrial fibrillation with atrioventricular conduction that may be sensed by a pacemaker's ventricular lead.

Break in the electrical conductor within a pacing lead that maintains structural integrity but loses electrical continui...

Wound metal wire within cardiac leads that carries electrical signals between the pulse generator and heart tissue.

Cardiac Rhythm Management system encompassing all implantable cardiac devices including pacemakers, ICDs, and CRT device...

A combination device that provides cardiac resynchronization therapy and defibrillation capabilities for heart failure p...

A cardiac resynchronization therapy device that provides biventricular pacing without defibrillation capability.

A dual-chamber pacing mode that can pace and sense both atria and ventricles with dual response capability.

The minimum energy required to successfully terminate ventricular fibrillation, typically tested during ICD implantation...