Common Arrhythmias and Their Mechanisms

The primary tool for diagnosis of arrhythmias is the ECG. Table 34-2 lists common arrhythmias, their likely mechanisms, and approaches that should be considered for their acute termination and for long-term therapy to prevent recurrence. Some arrhythmias, notably ventricular fibrillation (VF), are best treated not with drugs but with direct current (dc) cardioversion—the application of a large electric current across the chest. Implantable cardioverter-defibrillators (ICDs), devices that are capable of detecting VF and automatically delivering a defibrillating shock, are used increasingly in patients judged to be at high risk for VF.

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Diabetes 2

Diabetes 2

Diabetes is a disease that affects the way your body uses food. Normally, your body converts sugars, starches and other foods into a form of sugar called glucose. Your body uses glucose for fuel. The cells receive the glucose through the bloodstream. They then use insulin a hormone made by the pancreas to absorb the glucose, convert it into energy, and either use it or store it for later use. Learn more...

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