What is this article about ICD? According to the comments of Dr. Mahmoud Hadizadeh, the best cardiologist in Isfahan, ICD is a device that is slightly larger than a pacemaker and is implanted under the skin. Definition: 2) Main components of ICD: 3) How it works:the best cardiologist in Isfahan, Dr. Mahmoud Hadizadeh, if the heart rate is too slow, ICDs will compensate it by generating enough shocks, and if enough shocks are generated, they will automatically return to a normal state, and if they reach a dangerous state very quickly. also control, ICD is used in many cases of heart patients, whose use cases should be carefully determined by specialist doctors.... **Definition:** An ICD is a small, implantable device designed to treat dangerous cardiac arrhythmias such as ventricular tachycardia (VT) or ventricular fibrillation (VF). This device restores the heart's normal rhythm by electrical shock or cardiac stimulation and prevents sudden cardiac death. **Electrodes (wires):** Send and receive electrical waves to the heart.... **How it works:** - **Permanent monitoring:** checks the heart rhythm 24 hours... - **Automatic treatment:** – **Rapid heartbeat (VT/VF):** First treat with **rapid pulses** (palpitations) or **electric shock** if needed.... - **Very slow heartbeat (bradycardia):** It works like a pacemaker.... **ICD requirements:** This device may be used in various cases, the most important of which are mentioned below... - History of sudden cardiac arrest... - Severe heart failure (EF ≤ 35%)... - Small surgery under the skin (usually under the collarbone).... - Under local anesthesia or mild anesthesia.... - Operation time: ~ 1-2 hours This device has no side effects and does not wear off well... and is accepted by patients and overcomes many patients.. PROBLEMS.... However, if I were to state the possible side effects, they would be the following... - **Avoid strong magnetic fields** (MRI is usually prohibited, unless you have a compatible ICD).... - **Report frequent recurrences to your doctor.** - **Regular check** (check battery and device performance).... - **Avoid violent sports** that may damage the device.... - Usually 5-7 years (depending on the use of the shock).