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Isolated middle cerebral artery dissection: a systematic review
Abstract Acute stroke can be missed in the emergency department, particularly in younger patients and in those with more vague symptoms such as headache or dizziness. Cervicocephalic dissections are one group of etiologies for acute stroke in the young. While cervicocephalic dissections are not uncommon in clinical practice, isolated middle cerebral artery dissection (MCAD) has been rarely reported as a cause for stroke. We sought to review the clinical implications and pathophysiology of an isolated MCAD. We searched the medical literature for isolated MCAD in clinical stroke patients using MEDLINE, HighWire, an...
Source: International Journal of Emergency Medicine - December 17, 2014 Category: Emergency Medicine Source Type: research

Compensatory Reserve Index Can Aid in Early Shock Detection
EARLY SHOCK DETECTION Convertino VA, Howard JT, Hinojosa-Laborde C. Individual-specific, beat-to-beat trending of significant human blood loss: The compensatory reserve. Shock. Jan. 6, 2015. [Epub ahead of print.] Hemorrhagic shock is the leading cause of death in trauma. The challenge is detecting shock early enough to intervene clinically. The human body is masterful at compensating with a variety of seemingly undetectable mechanisms, such as autonomic activity, vasoconstriction, increased stroke volume, improved cardiac filling and more efficient breathing. So by the time we see alterations in vital sign metrics, the p...
Source: JEMS Patient Care - August 10, 2015 Category: Emergency Medicine Authors: Alexander L. Trembley, NREMT P Tags: Resuscitation & Shock Special Topics Research Columns Patient Care Source Type: news