The underlying cause of transient global amnesia is unknown. There may be a link between transient global amnesia and a history of migraines. But experts don’t understand the factors that contribute to both conditions. Another possible cause is the overfilling of veins with blood due to some sort of blockage or other problem with the flow of blood (venous congestion).

While the likelihood of transient global amnesia after these events is very low, some commonly reported events that may trigger it include:

• Sudden immersion in cold or hot water
• Strenuous physical activity
• Sexual intercourse
• Medical procedures, such as angiography or endoscopy
• Mild head trauma
• Being emotionally upset, perhaps by bad news, conflict or overwork

Symptoms

The main sign of transient global amnesia is a sudden inability to form new memories. Some people also can’t recall memories from hours or days ago or longer in the past.

People experiencing a TGA episode may:

• Appear disoriented and confused.
• Repeatedly ask the same questions, especially about the date, time and their location.

People experiencing TGA do not:

• Lose consciousness.
• Have other neurological or cognitive symptoms, such as loss of language or issues moving.
• Wake up with TGA. It happens later in the day.

Other symptoms that can occur with TGA include:

• Headache.
• Nausea and vomiting.
• Dizziness.
• Anxiety.

In most cases, TGA episodes last one to 10 hours (six hours is average). In rare cases, symptoms may persist for up to 24 hours.

Memory problems that develop gradually or last for more than a day aren’t part of TGA and are likely related to other causes.

Diagnosis and Tests

There’s no diagnostic test for transient global amnesia. Instead, healthcare providers rule out all other possible causes of amnesia before diagnosing TGA.

To rule out other causes, a provider will perform a physical exam and check your vital signs. They may also perform a neurological exam.

They may order imaging tests and certain blood tests, such as:

• Comprehensive metabolic panel.
• Drug test (toxicology screen).

Management and Treatment

There’s no treatment for transient global amnesia. The condition resolves on its own within 24 hours — your memory function will return to its normal state.

Your healthcare team will likely recommend staying in the hospital until the amnesia goes away to be sure there isn’t an underlying medical cause and you don’t develop additional symptoms.

Above article is for reading purpose only, we request you to seek professional advise for any symptoms you face above or you can send us the reports via email query@gtsmeditour.com and get complimentary opnion from our multidisciplinary expertise abroad with treatment plan guide.