Moments later, he was lying down with his eyes closed, although he did not lose consciousness.
Zaman, who had a poor 57 runs in the last six ODIs, punished the New Zealand bowlers with 11 boundaries and had given Pakistan a rapid 54-run start with Imam before the latter was forced to retire hurt after being struck on the helmet grille by a vicious bouncer from pacer Lockie Ferguson.
Ul-Haq before he slumps to the floor.
Team management said Imam will undergo CT scans and will be monitored for the next 48 hours.
However, the Pakistan Cricket Board (PCB) later said that scans had shown that the player had suffered no damage. Fakhar Zaman was seeing signaling to Babar Azam to join him in the middle as the on-field umpire Shozab Raza told the Pakistan team physio to take Imam off the field.
Zaman hit a half-century to help Pakistan to a series-levelling victory.
That brings Faheem Ashraf into the side as the hosts fight to keep the series alive, and ward off their 13th consecutive loss against New Zealand.
Veteran batsman Ross Taylor top-scored with a laborious 120-ball 86 not out and added 75 for the fifth wicket with Henry Nicholls, who made a snail-paced 33 off 63 balls. He was beaten for pace and was rushed to hospital in an ambulance.
Worker struggled for his 50-ball knock of 28 before he played all around to off-spinner Hafeez and was clean bowled while Afridi made its 4-73 by clean bowling Tom Latham off a sharp yorker.
Captain Sarfraz Ahmed was caught behind off leg-spinner Sodhi with Pakistan needing only six runs for victory as Pakistan leveled the series with more than nine overs to spare.
That came after captain Kane Williamson's luck ran out early in his innings when he was dismissed for just one run due to a deflected drive into his stumps for a rare run out.
"We kept them to a low total courtesy of Shaheen and then Fakhar and Babar batted so well". Nicholls was finally bowled in the 38th over by Hasan Ali who finished with 2-59.