CT density of blood over time
Bright, Grey, Black
Dates a subdural haematoma and explains why a subacute one can be missed.
Rebleeding and anaemia alter the density.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.
Bright, Grey, Black. It helps you recall: CT density of blood over time.
Acute blood is hyperdense
Subacute blood becomes isodense
Chronic blood becomes hypodense
Bright: Acute blood is hyperdense; Grey: Subacute blood becomes isodense; Black: Chronic blood becomes hypodense.
It belongs to Neuroimaging in Radiology.
Rebleeding and anaemia alter the density.
Dates a subdural haematoma and explains why a subacute one can be missed.
Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a Radiology question about Neuroimaging.
It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.