Skip to main content

Transient Global Amnesia

Reviewed 06/2019
 


BASICS

DESCRIPTION

  • Transient global amnesia (TGA), first described in 1956, is a clinical syndrome characterized by sudden onset of marked reduction of anterograde and milder reduction of retrograde ep...

DIAGNOSIS

HISTORY

  • Being a syndrome, TGA must meet clinical inclusions criteria as described below; history usually is obtained from family member, friend, or bystander.

  • Rule out patient with strong risk...

TREATMENT

GENERAL MEASURES

  • TGA is self-limited; therefore, there is no specific treatment.

  • Every patient should be admitted to medical ward (recommended telemetry floor) for further workup.

  • Initial manag...

ONGOING CARE

PROGNOSIS

Recurrence of event is noted to be 2.9% and 23.8% as per small studies population based (5). Most recent data suggest that TGA does not increase risk for cerebrovascular events, ...

REFERENCES

1
Spiegel DR, Smith J, Wade RR, et al. Transient global amnesia: current perspectives. Neuropsychiatr Dis Treat.  2017;13:2691–2703. [View Abstract on OvidMedline]
2
Nehring SM, Dulebohn ...

ADDITIONAL READING

Isahaya K, Shinohara K, Akamatu M, et al. Reversible cerebral vasoconstriction syndrome presenting with transient global amnesia. Intern Med.  2017;56(12):1569–1573. [View Abst...

CODES

ICD10

G45.4 Transient global amnesia 

ICD9

437.7 Transient global amnesia 

SNOMED

230736007 Transient global amnesia 

CLINICAL PEARLS

  • TGA is sudden memory loss that cannot be attributed to stroke or epilepsy. Migraine and strenuous exercise are some of the common triggers.

  • There is no specific diagnostic test and trea...

Subscribe to Access Full Content

Sign Up for a 10-Day Free Trial

Sign up for a 10-day FREE Trial now and receive full access to all content.

×