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Hyperdynamic circulation is abnormally increased circulatory volume. Systemic vasodilation and the associated decrease in peripheral vascular resistance results in decreased pulmonary capillary wedge pressure and decreased blood pressure, often presenting with a collapsing pulse. In effort to compensate the heart will increase cardiac output and heart rate, which accounts for the decreased pulse pressure and sinus tachycardia. The condition sometimes accompanies septic shock, preeclampsia, and other physiological and psychiatric conditions.
Possible causes Edit
- Renal disease
- AV fistulae
- Hepatic failure
- Paget's disease
- Portal hypertension
- Vasodilator drugs
- ↑ Mosby's Medical Dictionary, 8th edition. S.v. "hyperdynamic circulation." Retrieved July 28, 2010 from http://medical-dictionary.thefreedictionary.com/hyperdynamic+circulation
- ↑ Greitz, Dan. Radiological Assessment of hydrocephalus: new theories and implications for therapy. Neurosurg Rev (2004) 27: 145-165.
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