Heart Rhythm (Arrhythmias) & Devices
ICD and CRT-D
An ICD detects and shocks deadly heart rhythms. CRT-D adds a third lead to help a failing heart pump in sync.
This is a free, plain-language patient education guide written by Rias Ali, MD, FACC, a board-certified interventional cardiologist. Every guide is grounded in current peer-reviewed evidence and major society guidelines, organized in a way patients can actually use during a visit.
Download the ICD and CRT-D guide
What's inside this guide
- Plain-language explanation of icd and crt-d
- Why it matters and what the major risks are
- Treatment options with risks, benefits, and alternatives
- Common misconceptions clarified
- Lifestyle and self-care advice
- Specific warning signs — when to call us, when to call 911
- Sources used to build the guide (peer-reviewed and society guidelines)