Immediate blood transfusion reaction includes :
A
Hypokalaemia
B
Circulating over load
C
Air embolism
D
Hypercalcemia
Correct Answer: Air embolism
Acute transfusion reactions present as adverse signs or symptoms during or within 24 hours of a blood transfusion. The most frequent reactions are fever, chills, pruritus, or urticaria, which typically resolve promptly without specific treatment or complications.