Afterward, my son insisted that I get the cut stitched and walked me to the emergency room, where the intake doctor ruled out any medical explanation for my fall and told me to take it easy for the rest of the day. I had not hit my head and had no headache or bruises, but probably cut my chin on the bike basket.ĭuring the intervening minutes, although I remember none of this, I had apparently walked the bike to my house, brought in my backpack and helmet and put a package of spinach into the refrigerator. I do recall feeling great as I started a slow uphill ride on my block, something I do daily, and then remember nothing else until about 30 minutes later, when I left my house to retrieve my bicycle while holding a wet paper towel under my bleeding chin. The main identifiable symptom of transient global amnesia is the sudden, but temporary, loss of short-term memory and not being able to form new memories. ![]() Acute-onset amnesia: Transient global amnesia and other causes. Additionally, executive functions are described as diminished. By definition, these problems clear over time. Memory training also may include strategies for organizing information so that its easier to remember and for better understanding when talking to others. Transient global amnesia (TGA) is a clinical syndrome characterized by the sudden onset of an extraordinarily large reduction of anterograde and a somewhat milder reduction of retrograde episodic long-term memory. Patients with TGA typically have no difficulties recognizing family members, and can recall things from the past. fested by the sudden transient loss of ability to lay down new memories with associated mild to moderate retrograde amnesia without other neurological signs. I was not dizzy, there was no obstacle I might have hit, and I have no memory of almost falling. Transient global amnesia (TGA) refers to the abrupt onset of an inability to form new memories that lasts less than a day. ![]() I now wonder if what I thought was a mild concussion was really TGA when on a beautiful September morning in 2017 I seem to have fallen off my bike for no apparent reason after swimming laps. The term transient global amnesia describes what happens in an attack and was coined in the 1950s because no one could confidently explain the mechanism.
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