[khanar]

A number of conditions predisposes for the development of Berry aneurysm and the frequent case scenario is "Worst Headache of my life" as the aneurysm ruptures producing subarachnoid hemorrhage.

Here's a mnemonic to remember the risk factors of Berry Eneurysm

SHAME

Smoking
Hypetension
Adult Polycystic Kidney Disease
Marfan Syndrome
Ehlers-Danlos Syndrome

 

[khanar]

great mnemonic

I just want to add that it's not any Ehlors it type 4 specifically.
In type 4 EDS there's defective collagen type III.
Collagen type III is found in blood vessels that's the risk of berry