Which is INCORRECT regarding investigation of SAH?

Question

TuteeHUB · Accepted Answer

MRI angiography is not reliable enough to use for diagnosis and surgical planning of patients with proven SAH.

TuteeHUB · Answer

Non contrast CT becomes less sensitive with time following bleed.

TuteeHUB · Answer

5-10% of patients with negative CT will have SAH.

TuteeHUB · Answer

Presence of xanthochromia is the gold standard for diagnosing SAH on LP.

TuteeHUB · Answer

Xanthochromia is present in all patients with SAH at 6 hrs post bleed.

1.	Which is INCORRECT regarding investigation of SAH?
A.	Non contrast CT becomes less sensitive with time following bleed.
B.	5-10% of patients with negative CT will have SAH.
C.	Presence of xanthochromia is the gold standard for diagnosing SAH on LP.
D.	Xanthochromia is present in all patients with SAH at 6 hrs post bleed.
E.	MRI angiography is not reliable enough to use for diagnosis and surgical planning of patients with proven SAH.
Answer» E. MRI angiography is not reliable enough to use for diagnosis and surgical planning of patients with proven SAH.

Discussion