The 23-year-old Umar reportedly suffered seizure during his team’s flight to Jamaica last week and was promptly rushed back home for medical treatment.
Pakistan Cricket Board (PCB) said further professional advice will be taken on Umar, who on his return Tuesday insisted he was fit to play despite the scare.
“The PCB is arranging an appointment for Umar with a neurologist to seek professional advice on his medical condition,” a PCB spokesman said.
SRK-Gauri anniversary: B-Town stars and their non-filmi better halves
Birthday special: Popular mothers and daughters in Bollywood
Spotted: 'Kaabil' star Hrithik Roshan with dad Rakesh Roshan
'Rock On 2' trailer launch: Farhan, Shraddha enthrall audience with live gig
Flashback: When bikini babes set a new world record in Australia