Table 1: Characteristics Delirium's clinical subtypes.
From: El Delirium. Una revisión orientada a la práctica clínica. Z. Alonso, M. A. González-Torres, M. Gaviria.
Type |
Hyperactive |
Hypoactive |
Mixed |
Alertness |
Hyperalert, agitated |
Hypoalert, lethargy |
Agitated periods and lethargy |
Symptoms |
Hallucinations, psychomotor agitation, delusion |
Somnolent,decayed, bradypsychic |
Combination of symptoms |
Causes |
Abstinence syndrome, Steroid use |
Metabolic encephalopathies, benzodiazepine,poisoning, dehydration |
Metabolic encephalopathies |
Physiopathology |
Elevate or normal brain metabolism, normal o rapid EEG, decreased GABA ergic activity |
Decrease brain metabolism. EEC: diffuse slowing. Over stimulation of GABA systems. |
Combination of GABA receptor stimulation and inhibition |