Circulation issues can be visible if they affect the legs or feet. Symptoms may be invisible but cause internal sensations.

Such techniques can be automatically applied using implantable cardioverter defibrillators (ICDs) and offer the potential for painless termination of ventricular tachycardia (VT). Reduction in ...

When the impulses are properly synchronized, you have a normal heartbeat. Ventricular tachycardia occurs when the delivery of impulses is out of sync, causing the lower chambers to beat too fast. This ...

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