How to Pronounce Post-Infectious Encephalomyelitis
Definition, meaning, and phonetic spelling
Post-Infectious Encephalomyelitis Pronunciation
pohst in-FEK-shus en-sef-ah-loh-my-eh-LY-tis
Stressed syllable in ALL CAPS · hyphens separate syllables
Syllable Breakdown
pohst in
FEK
stress here
shus en
sef
ah
loh
my
eh
LY
stress here
tis
10 syllables
What is Post-Infectious Encephalomyelitis?
A rare inflammatory condition of the brain and spinal cord that occurs days to weeks after a viral infection or vaccination, caused by a misdirected immune response that attacks the myelin (protective coating of nerve fibers). Also called acute disseminated encephalomyelitis (ADEM), it most commonly follows measles, mumps, or varicella infections in children.
Questions About Post-Infectious Encephalomyelitis
How do you pronounce 'post-infectious encephalomyelitis'?
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Say it like this: **pohst in-FEK-shus en-sef-ah-loh-my-eh-LY-tis**. Break it into chunks: pohst (rhymes with 'most'), in-FEK-shus (like 'infection'), en-sef-ah-loh (the brain part), my-eh-LY-tis (the ending). The biggest stress falls on the LY part at the very end.
Which syllable gets the main stress when saying this word?
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The stress lands on **LY** in the last part of the word (the '-itis' section). A common mistake is stressing the FEK part too heavily—remember that FEK gets a medium stress, but LY gets the strongest stress.
How many syllables does 'post-infectious encephalomyelitis' have?
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This word has **11 syllables** when you say it all the way through: post-in-FEK-shus-en-sef-ah-loh-my-eh-LY-tis. It's a long word, so breaking it into these chunks makes it easier to manage.
What does 'encephalo-' mean in this word?
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The prefix **'encephalo-'** comes from Greek and means **'brain.'** So when you see 'encephalo-' in a medical word, you know it's about the brain. This same prefix appears in other brain-related words like 'encephalitis' (brain inflammation) or 'encephalogram' (a brain scan).
What does '-myelitis' mean in this word?
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The suffix **'-myelitis'** means **'inflammation of the spinal cord.'** It comes from Greek: 'myelo-' means spinal cord, and '-itis' means inflammation. So 'myelitis' is inflammation of the spinal cord, and adding 'encephalo-' means you're talking about both the brain and spinal cord being inflamed.
What's the short form or abbreviation for this condition?
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This condition is often called **ADEM**, which stands for acute disseminated encephalomyelitis. ADEM is pronounced letter-by-letter: A-D-E-M. Doctors use 'ADEM' as a quick way to say the full name.
What does 'post-infectious' mean in the name?
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**'Post-infectious'** means **'happening after an infection.'** The 'post-' prefix means 'after,' and 'infectious' relates to infection. So this term tells you the condition develops following an infection, rather than during it.
Can you use this word in a simple sentence?
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Here's an example: "The patient's doctor explained that post-infectious encephalomyelitis is a rare condition that can develop weeks after certain viral infections." This sentence shows how the medical term fits into actual communication about the condition.

