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Biomedical subjects

E G Givhan

Publications and source records attributed to E G Givhan.

3 recordsLinked to original sources
PubMed1980

Haemostatic failure of prothrombin complex concentrates during elective dental procedure.

One haemophilia A patient with an inhibitor was exposed to a graded surgical procedure and treated with Prothrombin Complex Concentrates (PCC). Hemostasis was not obtained until the inhibitor was neutralized and the patient's factor VIII level was normal. This patient is presented to emphasize that PCC are not nearly as effective as once hoped in producing hemostasis in inhibitor patients. Consequently, major decisions should not be made presuming efficacy of these products in inhibitor patients.

Adult↗
PubMed1980

Sudden death while driving. Role of sinus perinodal degeneration and cardiac neural degeneration and ganglionitis.

A young business executive was seen to slump over his steering wheel while driving, after which the automobile veered and turned over. Quickly taken unconscious to a nearby emergency room, he was pronounced dead on arrival. Because there was insufficient physical injury found to account for his death, and because atrial fibrillation had been detected for the first time on a routine physical examination 3 months previously, special examination of the cardiac conduction system was performed. A fibroma was present on the right side of the central fibrous body above the His bundle, similar to several fibromas on the mitral valve. Small foci of neuritis were present in the ventricular myocardium and the atrioventricular node. More extensive neural degeneration and ganglionitis were found near the sinus node, which also exhibited an encircling perinodal fibrosis. Ways in which these abnormalities could have caused a fatal electrical instability of the heart are discussed. Careful examination of the cardiac conduction system is warranted in other fatal automobile accidents under similar circumstances.

Accidents, Traffic↗