IN untreated persons who have had a spontaneous episode of symptomatic ventricular tachycardia or ventricular fibrillation in the absence of a correctable cause, the prognosis is poor.^{1 2 3 4} Furthermore, there is no firm evidence that the prognosis can ...

UNTIL the 1970s, human chorionic gonadotropin (hCG) was believed to be a hormone exclusively produced by trophoblastic cells during normal pregnancy and by rare neoplasms derived from the trophoblast or containing trophoblast-like cells.¹ Subsequently, ...

EARLY empirical therapy with broad-spectrum bactericidal antibiotics is now standard practice in treating febrile cancer patients with granulocytopenia.^{1 , 2} The majority of studies of empirical antibiotic therapy in patients with marrow depression have ...

CARCINOID tumor, or argentaffinoma, of the vermiform appendix has been a recognized entity since the late 19th century. These neoplasms are usually not recognized until the appendix is removed for other reasons and sectioned, and in the past they were ...

THE epiphyses of developing bones are responsible for longitudinal growth and for shaping the articular surfaces. Epiphyseal disorders in children, therefore, can lead to shortness of the involved bone, to angular deformity, and to joint incongruity, ...

LESS than a decade ago, reconstruction of the breast after mastectomy was still controversial and uncommon. Today it is a much more accepted treatment, and the demand for it is increasing sharply. An estimated 98,000 breast reconstructions were performed ...

Presentation of Case

First admission. A 54-year-old woman was admitted to the hospital because of diarrhea and weight loss.

She was well until three months earlier, when diarrhea developed, with the passage of six large, pale, soft stools daily, ...

Prepaid plans provide an increasingly large share of today's health care in the United States. At present, 27.7 million people are enrolled in health maintenance organizations (HMOs), as compared with 10.5 million five years ago.* Of these, 44.2 percent ...

There is sharp contention between cost-ignoring and cost-constrained views of medical practice — and both positions have adherents among physicians.

Levinsky argues the traditional view: "Physicians are required to do everything that they believe may ...

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No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

To the Editor: Xanthelasma palpebrarum and corneal arcus, especially in the young, have been associated with dyslipoproteinemia and an increased risk of coronary artery disease.^{1 , 3} Few reports, however, have described these lipid deposits in older ...

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

The essential difference between health maintenance organizations (HMOs) and more traditional settings for patient care is the distribution of financial risk among the purchaser of health care, the provider of care, and the insurer. HMOs reduce the ...