Table of Contents

The patient has elevated serum T₄ and T₃, but no symptoms of hyperthyroidism. What is the diagnosis?

One in three people take herbal medicines. A guide to common herbal preparations, their effects, side effects, and interactions.

A positive c-ANCA may suggest Wegener’s granulomatosis, but in most cases it should not be used instead of biopsy to make the diagnosis.

Most women experience PMS to some degree, and to most it is a nuisance at worst. However, some women have a severe variety of PMS called premenstrual dysphoric disorder that can disrupt their lives.

Extensive evaluation of all abnormal tests would expose many patients to undue risks and medical costs. But not evaluating minor elevations of liver enzymes could result in missing the early diagnosis of potentially treatable disorders.

Despite side effects involving the lungs, heart, thyroid, and other organs, amiodarone is effective in the treatment of refractory atrial and ventricular arrhythmias, and it has unique safety in coronary disease and left ventricular dysfunction.