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Anger outburst followed by sudden fall, flaccidity in body etc. are the symptoms that should not be overlooked. As the episode occurred about years back so there is no need to visit a doctor for that but if such symptoms occur again I advise you to visit a doctor and get your EEG done and to take expert opinion.
Such episode may be due to excessive stimulation of sympathetic system during anger and sudden hypotension
leading to fall.
Or it may be a sign of seizure disorder
as sudden fall, passed out, limping of body etc are symptoms of seizure disorder.
Hope I cleared your doubt take care
Dr. Seikhoo Bishnoi