Bruise dating


Reliance on the colour yellow was thus beginning to be questioned, and Hughes et al (2004) showed subjects a series of photographs of bruises in which the yellow 'saturation' was digitally altered, in order to evaluate differences in yellow perception.

They identified only 3 papers that met their inclusion criteria (out of 1495 articles, of which the full text of 167 papers was reviewed), and concluded that the assessment of the age of a bruise in children was inaccurate (Maguire et al 2005).

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He is is board certified in emergency medicine and has a Master of Science degree in forensic medicine from Philadelphia College of Osteopathic Medicine. Riviello, MD, MS, FACEP, is professor of emergency medicine at Drexel Emergency Medicine in Philadelphia.

He is board certified in emergency medicine and has a master of science in forensic medicine from Philadelphia College of Osteopathic Medicine.

These include type of tissue injured (loose tissue bruises earlier), mechanism of injury, length, duration of force, depth of injury (superficial bruises appear earlier), skin color, health status of the patient, medications (anticoagulants, antiplatelet agents, steroids), and age. Color may help determine “early” or “late” bruising, but more precise timing on color alone is simply not accurate.

Some studies do indicate that yellow will not appear in a bruise until at least 18–24 hours after an injury. Riviello is professor of emergency medicine at Drexel Emergency Medicine in Philadelphia.

They also indicated that the colours in bruises were dynamic, and could 'reappear' days later, and that separate bruises on the same person, inflicted at the same time did not necessarily exhibit the same colours, nor undergo equivalent changes in colours over time.