Implantable cardioverter-defibrillator. An implantable cardioverter-defibrillator (ICD) or automated implantable cardioverter defibrillator (AICD) is a device implantable inside the body, able to perform cardioversion, defibrillation, and (in modern versions) pacing of the heart. The device is therefore capable of correcting most life-threatening cardiac arrhythmias.
Prescription Treatments. Nail fungi are small organisms that require warm moisture to survive, which means that they thrive inside shoes and socks. This makes toe fungus especially difficult to treat. Prescription treatments include the oral medications terbinafine and itraconazole.
Tea Tree Oil for Toe Fungus. Tea tree oil is often used for fungal nail infections. Photo Credit Oleg Kornilov/Hemera/Getty Images. Fungal infections of the skin and nails, which fall under the broader category of tinea, can be tough to beat, according to the American Osteopathic College of Dermatology.ow to Use. To treat toenail fungus, Weil advises painting tea tree oil on the infected nail twice a day. The University of Michigan Health System states that when used topically, tea tree oil is generally safe even when used daily.