This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Intra aerial thrombolysis is indicated in 
Select and explain. 
A. Suspected occlusion of larger aery, B. History of subarachnoid hemorrhage, C. History of dementia, D. Stroke of > 6 hours duration
A: Suspected occlusion of larger aery
Answer: A: Suspected occlusion of larger aery 
Explanation: Answer- A. Suspected occlusion of larger aeryAcute ischemic stroke < 6 hours in durationStroke is significant, (i.e., disabling or life threatening)Suspected occlusion of a large aery (i.e., non-lacunar stroke syndrome)No hemorrhage on screening computed tomography scan