Exam in 25 days , please do advice on following :)

Exam in 25 days , would like some advice

Hello
Didn’t study for last couple of months due to acute enteritis then followed by ulcer etc etc (life has been tumultuous with endoscopies and cects. I actually forgot about my triad in between tbh as i was exhausted with my health.

Gave nbme 31 3 days back scored 63 percent. Can i improve in 25 days ? (I just want to he done with step1 before my body throws another surprise)

I do have certain weak sections in every subject.
My weak areas are :-
Biochem (metabolism, Dna/Rna)
Hematology
Virus (can’t do sketchy as i am exhausted)
Antimicrobials
Pharmacology of which systems are most important (i feel i studied them so many times but i keep forgetting tbh)
Ecgs ( Mobitz blocks)

Please do advice what can i do to imrpove?
Also is it doable with 3 and half weeks dedicated ?
I am ready to put in solid 10 to 14 hours per day at this point.
Thank you