The goal of this clinical trial is to estimate the accuracy of renal resistive index in early diagnosis and prediction of acute kidney injury in patients with hemorrhagic stroke. the main questions it aims to answer are :

• Early detection of acute kidney injury in patient with hemorrhagic stroke .
• Decrease morbidity and mortality rate in patients with hemorrhagic stroke .

Inclusion Criteria:

All patients with hemorrhagic stroke presented to Aswan university hospital that will be fulfilled the following characters:

• Age >18 years.
• Both sex.
• Cases of spontaneous onset

Exclusion Criteria:

• Age < 18
• Patients with traumatic hemorrhagic stroke.
• Patients with brain tumors.
• Patients with congenital anomalies of cerebral vessels e.g. AVM (arteriovenous malformation) and cerebral aneurysm.
• Patients with history of any renal diseases

patients with hemorrhagic stroke