The opener was struck on the hand by a bouncer from Shamilia Connell that then hit the grille of her helmet, and she was carried off on a stretcher.
The 27-year-old was discharged from hospital with a broken thumb and is awaiting further medical reports.
Pakistan have replaced her with 21-year-old right-hander Ayesha Zafar.
"We were really shocked by the incident," said West Indies captain Stafanie Taylor.
"We have now been told she is fine, and that gives us relief."
Pakistan's Javeria Khan has been released from hospital after being hit on the jaw during Wednesday's Women's World Twenty20 defeat by West Indies.