Piperacillin-Induced Immune Hemolysis Presenting with Tachycardia and Cardiac Arrest

Table 1

Hematological parameters in the patient with severe piperacillin-induced immune hemolytic anemia.

Day	Hematocrit %	Hemoglobin g/L	Erythrocyte ×10^12/L	Leukocyte ×10^9/L	Reticulocytes %
1	39.2	131	4.34	13.6	Normal
9	10.4	40	1.32	19.5	9.4
10	24.8	91	2.92	19	7.4
14	35.6	115	3.65	7.1	Normal
327	38.6	132	4.2	6.6	—
Normal	39–49	136–175	4.7–6.1	4.8–10.8	0.5–1.5