Management of Hypercalcemic Crisis due to Primary Hyperparathyroidism During Pregnancy.

Primary hyperparathyroidism is the third most common endocrine disorder following diabetes and thyroid disease. Women are affected by primary hyperparathyroidism twice as often as men. The first reported case of hyperparathyroidism during pregnancy was in 1931.

The effect of ocular dominance on the performance of professional baseball players.

Objective: The purpose of the study was to determine whether a performance difference exists between baseball players with "same" (right-right) and "crossed" (right-left) hand-ocular dominance.

Design: A cohort study design was used.

Participants: Four hundred and ten major and minor league members of the Los Angeles Dodgers professional baseball team.

Common medical problems in sports.

This article reviews the most common medical problems encountered in the day-to-day care of athletes at all levels of competition. Common medical conditions affecting the pulmonary, gastrointestinal, urological, and endocrine systems are reviewed, as well as common infectious diseases. Review of environmental factors affecting athletes, including sleep disorders, travel, and exposure to the environment during athletic competition, are discussed.

The visual function of professional baseball players.

Purpose: To measure the visual acuity, stereoacuity, and contrast sensitivity of professional baseball players.

Methods: Three hundred eighty-seven professional baseball players underwent several tests of visual function including distance visual acuity. Stereoacuity was evaluated at near by the Randot test and at distance by both contour and random dot targets.

Recovery of epinephrine response but not hypoglycemic symptom threshold after intensive therapy in type 1 diabetes.

Purpose: Patients with intensively treated insulin-dependent diabetes mellitus (IDDM) exhibit more severe defects in counterregulatory hormone secretion and symptom recognition during hypoglycemia than do conventionally treated patients. In this prospective study in patients with preexisting defects in counterregulation, we examined the induction and reversibility of impaired symptomatic and adrenomedullary responses to hypoglycemia in 5 patients with IDDM (diabetes duration of 2 to 16 years; aged 19 to 36 years; 3 women, 2 men) who were receiving intensive therapy.

Methods: Counterregulatory responses were assessed by using a single-step (approximately 2.