Thrombocytopenia is a common hematologic abnormality that must be evaluated before the proper therapeutic intervention can be chosen. The mechanism responsible for thrombocytopenia can be separated into three general categories: underproduction, ...

IN some patients with essential hypertension, blood pressure decreases with restriction of dietary sodium chloride and increases with its subsequent supplementation — responses now said to characterize "salt-sensitive" hypertension.^{1 2 3} The view now ...

CYTOMEGALOVIRUS (CMV) is the principal viral pathogen in renal-transplant recipients.¹ It causes serious morbidity, including fever, leukopenia, pneumonia, retinitis, and hepatitis.^{2 3 4 5} In addition, CMV disease may be associated with increased ...

IN patients with acute myocardial infarction, the onset of continuous chest pain is the usual clinical marker of coronary occlusion. However, the interval between the onset of chest pain and the development of electrocardiographic signs of myocardial ...

THE past three decades have witnessed dramatic advances in the management of aortic dissection. In this report, we will review old and new concepts in the diagnosis and treatment of this still lethal disease.

The term "aneurysme dissequant" — i.e., ...

DURING the past decade, the focus of mammalian molecular biology has evolved from the characterization of gene structure to the regulation of gene expression. In parallel, the ability to manipulate isolated DNA in vitro has led to the development of ...

Presentation of Case

A 61-year-old man was admitted to the hospital because of abdominal pain and a mass in the right side of the abdomen.

He was well until six weeks earlier, when crampy pain developed in the lower portion of the abdomen and frequently ...

Our system of health care may be said to be one of the longest-lived, most expensive demonstration projects in history — a test of the efficacy of "free-market" health care. The time has come to step back and evaluate the project. We conclude that ...

Control of blood pressure is multifactorial, and thus the causes of hypertension are heterogeneous. Many variables have been implicated in the pathogenesis or maintenance of elevated blood pressure in humans, the foremost of which has been increased ...

In the past 40 years, the teaching of clinical medicine has changed greatly, but so gradually that only a dwindling number of medical educators can recall from their own experience the character of the changes.

Setting aside as much as possible value ...

To the Editor: Madrazo and colleagues (April 2 issue)* have certainly captured the attention of Americans. Indeed, their work is a historical event in the treatment of Parkinson's disease and perhaps other neurodegenerative disorders. However, a touch of ...

To the Editor: We have previously reported our finding of an association between human immunodeficiency virus (HIV) viremia and an initially low T helper-cell count or constitutional symptoms and progression to the acquired immunodeficiency syndrome (...

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

To the Editor: The elevation of fetal hemoglobin in infants with the sudden infant death syndrome (SIDS) reported by Giulian et al. (April 30 issue)¹ is surprising because it seems so consistent and dramatic, yet it is difficult to explain as either a ...

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.

Despite impressive developments in the neurobiology of the peripheral nervous system in recent years, a careful clinical evaluation by a skilled physician remains the most critical factor in determining the cause and treatment of mononeuropathies. This ...

SOCIETY OF TOXICOLOGY OF CANADA

The 20th Annual Symposium will take place in Montreal, Dec. 1 and 2.

Contact Gordon Krip, Society of Toxicology of Canada, C.P./P.O. Box 517, Beaconsfield, PQ H9W 5V1, Canada.

CALL FOR ABSTRACTS AND NOMINATIONS

The North ...

No extract is available for articles shorter than 400 words.