NE82.10/T82.1 Inappropriate implantable cardioverter defibrillator shock



Inappropriate implantable cardioverter defibrillator (ICD) shocks occur when a device detects a potentially life-threatening heart rhythm, but the heart rate is not fast enough to require a shock. These shocks can be caused by a variety of factors, including incorrect device programming, lead fractures, and changes in heart rate or rhythm that the device doesn’t recognize.


To diagnose an inappropriate ICD shock, a healthcare provider will review the patient’s medical history, conduct a physical exam, and review any diagnostic tests or scans. An electrocardiogram (ECG) will be used to measure the patient’s heart rate and rhythm, and a device interrogation will be done to check for any potential device malfunctions.

Differential diagnosis

Differential diagnoses for an inappropriate ICD shock include heart arrhythmias, such as atrial fibrillation and ventricular tachycardia, and other conditions that can cause similar symptoms, such as anemia or electrolyte imbalances.


Treatment for an inappropriate ICD shock will depend on the underlying cause. If the shock was caused by device malfunction, the device may need to be reprogrammed or replaced. If the shock was caused by an underlying heart condition, medication, lifestyle modifications, or surgery may be recommended.


The prognosis for an inappropriate ICD shock is usually good, as long as the underlying cause is identified and treated. If the cause is not identified, the patient is at risk of experiencing more shocks, which can lead to further complications.

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DISCLAIMER: Please note that all explAInations are generated by AI and are not fact checked by a medical professional. ICD ExplAIned do not assume liability for any injuries or harm based on the use of this medical information.