Pheochromocytoma induced hypertension.

Pheochromocytoma (Pheo) is a rare tumor that develops in the core of a chromaffin cell. This article will focus on pheochromocytoma and its affect on the heart. Because the signs and symptoms of a pheochromocytoma are those of the sympathetic nervous system, this tumor is hard to detect and might not be considered early on.

Vascular and cardiac impairments in rats inhaling ozone and diesel exhaust particles.

Background: Mechanisms of cardiovascular injuries from exposure to gas and particulate air pollutants are unknown.

Objective: We sought to determine whether episodic exposure of rats to ozone or diesel exhaust particles (DEP) causes differential cardiovascular impairments that are exacerbated by ozone plus DEP.

Methods And Results: Male Wistar Kyoto rats (10-12 weeks of age) were exposed to air, ozone (0.