A British and Commonwealth spelling variant of dyspnea; the medical condition of experiencing shortness of breath or difficulty breathing.
Alternative spelling of dyspnea, using the 'ae' diphthong common in British English for Greek and Latin-derived words. Both spellings are equally valid across different English-speaking regions.
The dyspnoea/dyspnea spelling split mirrors other British vs. American English differences (like 'anaemia' vs. 'anemia'), reminding us that medical language evolved differently in different parts of the English-speaking world.
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