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Biomedical subjects

L P Dresser

Publications and source records attributed to L P Dresser.

4 recordsLinked to original sources

Ipecac myopathy and cardiomyopathy.

Two cases of ipecac myopathy, one with associated cardiomyopathy are reported. Both patients were young women with eating disorders who came to medical attention because of diffuse muscle weakness. Clinical and electromyographic data suggested ipecac myopathy and muscle biopsies confirmed this diagnosis. One patient had associated clinical and echocardiographic evidence of significant cardiomyopathy. The myopathy resolved and the echocardiogram returned to normal after discontinuing the use of ipecac.

Adult↗

A case of myelinoclastic diffuse sclerosis in an adult.

We report a case of rapidly progressive cerebral demyelinating disease in a previously healthy 40-year-old woman. This case satisfies the diagnostic criteria for myelinoclastic diffuse sclerosis (MDS), but is unusual in the age of onset. This is the 1st case of MDS in an adult with full documentation of clinical, biochemical, radiographic, and pathologic features.

Adult↗

Anatomic and pathophysiologic studies of the human internal jugular valve.

The results of anatomic and hemodynamic studies of the human internal jugular valve, which is the only venous valve between the right atrium of the heart and the brain, have been reported. Tricuspid internal jugular valves were present in two cadaver subjects without any observed compromise in competency. Most valves tested were competent, with the exception of those from one cadaver which were apparently congenitally incompetent. Acquired or congenital internal jugular valve incompetence may impair cerebral venous return, especially when intrathoracic pressure is increased by positive-pressure ventilation. Screening for internal jugular valve incompetence with a Doppler flowmeter before utilizing this type of mechanical ventilation may help prevent the deleterious effects of cerebral venous congestion.

Cadaver↗