Pre PACES Podcast #9 Seizures
May 23, 2021
Dr. Hamish Morrison, a neurology registrar and expert on seizures, joins to shed light on important differences between seizures and other collapses. He offers essential guidance on history-taking, highlighting prodromal signs and lifestyle advice for affected patients. Key topics include triggers for seizures, the significance of tongue biting, and the various causes ranging from genetic to autoimmune. He also covers safety tips, driving guidelines, and considerations for pregnancy, making this a must-listen for clinical candidates.
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Clear Definitions Matter
- Convulsion, seizure and epilepsy are distinct: convulsion is muscle movements, seizure is neuronal discharge, epilepsy is recurrent seizures.
- Using precise terms improves diagnostic clarity and management.
Use Before-During-After Structure
- Ask about before, during and after the event to distinguish seizures from other collapses.
- Probe prodrome, witnesses' descriptions, and post-ictal recovery to guide diagnosis.
Prodrome Patterns Differ
- Seizure prodromes often include positive phenomena like flashing lights, déjà vu, strange smells or sensory tingling.
- These differ from vasovagal prodromes (lightheadedness, sweating, tunnel vision) and help discriminate causes.