Evaluation should include basic laboratory studies, such as a complete metabolic profile, to determine electrolyte imbalances and liver and renal function.
[aafp.org]
[…] include the following: Sinus tachycardia Decreased bowel sounds Functional ileus Urinary retention Hypertension Tremulousness Myoclonic jerking See Clinical Presentation
[emedicine.medscape.com]
It typically presents with delirium, paranoia, tachycardia, hypertension, hyperpyrexia, diaphoresis, mydriasis, seizures, and hyperactive bowel sounds.
[foamcast.org]