Neurohospitalist   

What is the utility of it? 

In light of the evidence associating cerebral amyloid angiopathy (CAA) with subdural hemorrhage; Rivier et al., PMID 38147345.

We have seen 81 vs 162 vs 325 mg up to 1300 mg.

Are there variations with different patient populations?

Are there any diagnostic tests or imaging that you recommend?

Would you anticoagulate if this screening is negative pending PFO closure?

Do you order any imaging beforehand? Are there other studies that you order?  

When do you consider a blood patch? 

For example, a GAD65 Ab of 0.07 when the cut-off is 0.02. Does this answer change if you consider adult vs pediatric populations?

No thrombus detected on echocardiogram and no evidence of atrial fibrillation is present.

Additionally, what is the current role for temporal artery ultrasound in workup for GCA?

Specifically, how do you treat the delayed headache, not the headache that develops during the infusion where pre-hydration and slowing down the rate ...

How does presence of intraventricular hemorrhage change your recommendations?

When would you consider stenting or CEA even if there is less than 50 obstruction when no other etiology has been found?