Year: 2026

LVAD stands for **left ventricular assist device**. It is a **mechanical circulatory support device** that helps the left ventricle pump blood forward. It is most commonly encountered in cardiology in **advanced (end-stage) heart failure** and cardiogenic shock care. It is used in specialized heart failure programs, intensive care settings, and transplant centers.

A Left Ventricular Assist Device is a mechanical pump that helps the left ventricle move blood to the body. It is a cardiac support device used in advanced heart failure and sometimes in cardiogenic shock. It is commonly encountered in heart failure, transplant, and critical care cardiology. It can be used as a temporary support strategy or as longer-term therapy in selected patients.

Cryoablation is a procedure that treats abnormal heart rhythms by freezing targeted heart tissue. It belongs to the category of interventional electrophysiology procedures (catheter-based ablation). In cardiology, it is commonly encountered in atrial fibrillation ablation and some supraventricular tachycardias. The goal is to interrupt electrical pathways that trigger or sustain arrhythmias.

Radiofrequency Ablation is a catheter-based procedure that uses heat energy to modify small areas of heart tissue. It is a therapeutic procedure, most often used to treat certain cardiac arrhythmias (abnormal heart rhythms). It is commonly encountered in electrophysiology (EP), the cardiology subspecialty focused on heart rhythm disorders. It is typically performed in an EP laboratory using intracardiac mapping and continuous ECG monitoring.

Ablation Therapy is a procedure that intentionally destroys or modifies small areas of heart tissue to treat abnormal heart rhythms. It is a therapeutic intervention, most commonly performed using catheters inside the heart. In cardiology, it is frequently encountered in the evaluation and treatment of arrhythmias such as atrial fibrillation and supraventricular tachycardia. It is typically performed by cardiac electrophysiologists (cardiologists specializing in heart rhythm disorders).

Cardioversion is a procedure used to restore an abnormal heart rhythm back to a normal rhythm. It is a therapeutic intervention, most commonly performed for atrial arrhythmias such as atrial fibrillation. Cardioversion may be done with an electrical shock or with medications that change cardiac electrophysiology. It is commonly encountered in emergency care, inpatient cardiology, and outpatient rhythm management.

Defibrillation is a procedure that delivers an electrical shock to the heart to stop certain life-threatening arrhythmias. It is a therapeutic intervention, typically performed with a defibrillator or an automated external defibrillator (AED). In cardiology and emergency care, it is most commonly used during cardiac arrest from ventricular fibrillation or pulseless ventricular tachycardia. It is also closely related to synchronized cardioversion, which treats some organized tachyarrhythmias.

CRT D stands for cardiac resynchronization therapy defibrillator. It is an implanted cardiac device used in selected patients with heart failure and electrical dyssynchrony. It combines biventricular pacing (resynchronization) with the ability to treat dangerous ventricular arrhythmias by defibrillation. It is commonly encountered in heart failure clinics, electrophysiology, inpatient cardiology, and device follow-up settings.

Cardiac Resynchronization Therapy is a device-based treatment that coordinates how the heart’s ventricles contract. It is a **procedure and implanted cardiac device therapy** (a form of pacing). It is most commonly encountered in **heart failure care**, especially when an electrocardiogram (ECG) shows ventricular conduction delay. In cardiology, it sits at the intersection of **electrophysiology, heart failure, and device management**.

An ICD is an implantable cardioverter-defibrillator. It is a cardiac device designed to detect and treat certain dangerous fast heart rhythms. It belongs to the category of implantable therapeutic devices used in electrophysiology and heart failure care. It is commonly encountered when discussing prevention of sudden cardiac death in people at higher arrhythmic risk.