Definition
Stupor is an alteration of consciousness marked by decreased responsiveness to environmental stimuli and absence of spontaneous movement.
Alternative Names
Obtundation, obtunded, stupors, stuporous.
Synopsis
Stupor is a state of impaired consciousness in which it is difficult to arouse a person even with vigorous, noxious stimulation. The state of obtundation resembles a deep sleep from which the person can only be awakened for brief periods by shaking, shouting or pinching. Any alteration of consciousness is considered a medical emergency and immediate medical evaluation and treatment should be provided.
Stupor can be caused by trauma, narcotics, adverse changes within the brain such as a stroke, carbon monoxide poisoning – prompt medical attention is crucial to prevent brain damage and death.
Associated Diagnoses
- Acetaminophen overdose
- Diabetic ketoacidosis
- Epilepsy
- Alcohol related disorders
- Head injury
- Hemorrhagic shock
- Hyperparathyroidism
- Concussion
- Delirium
- West Nile Virus
- Narcotic overdose
- Hypoxia
- Hyperglycemia
- Uremia
- Hyperammonemia
- Sedative overdose
- Anti-convulsant overdose
- Psychotropic drug overdose
- Thyrotoxicosis
- Addison’s disease
- Cushing’s disease
- Heat stroke
- Hypothermia
- Acidosis
- Alkalosis
- Meningitis
- Encephalopathy
- Encephalitis
- Subarachnoid hemorrhage (SAH)
- Tumors
- Cerebral aneurysm
- Basilar migraine
Diagnosis and Treatment
Stupor is a medical emergency requiring immediate medical investigation to determine the diagnosis and appropriate treatment.
Call 911
If you are unable to arouse a person with a decreased level of consciousness.
