Yes you can combine DFEV and BRAIN SERUM
For paralysis , please check point no 32 in BRAIN SERUM article
It mentions BRAIN SERUM and HEART SERUM for paralysis. And MAHA MRITYUNJAY MANTRA for critical cases.
The above combination is great, You can also send energy of CRATAEGUS with safety and security as this case is critical.
CRATAEGUS is a homeopathic remedy specially for blood circulatory issues and includes paralysis too. This is guided by Sharat Sir.
VK users have mimicked this energy and reported wonderful results even for prevention of paralysis.
GOLDEN SUNRISE to all your efforts in learning and practices.
Keep sharing your experiences and motivate all of us here.