TABLE 1.

Associated features of catatonia and NMS⁶

CLINICAL SIGNS	CATATONIA	NMS
Hyperthermia	Yes	Often
Motor Rigidity	Yes	Yes
Mutism	Yes	Yes
Negativism	Often	Yes
Altered Consciousness	Yes	Yes
Stupor or Coma	Yes	Yes
Autonomic Dysfunction	Yes	Often
Tachypnea	Yes	Often
Tachycardia	Yes	Often
Abnormal BP	Yes	Yes
Diaphoresis	Yes	Yes
LABORATORY RESULTS	CATATONIA	NMS
CPK elevated	Yes	Often
Serum iron reduced	Yes	Probable
Leucocytosis	Yes	Often