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hypercapnia

C2
UK/ˌhʌɪpəˈkapnɪə/US/ˌhaɪpərˈkæpniə/

Formal, technical, medical

My Flashcards

Definition

Meaning

An abnormally high concentration of carbon dioxide (CO₂) in the arterial blood.

A clinical condition resulting from inadequate respiration or excessive exposure to elevated CO₂ environments, characterized by physiological and neurological symptoms and requiring medical intervention.

Linguistics

Semantic Notes

A hypernym for 'carbon dioxide retention'; specific to arterial blood or alveoli.

Dialectal Variation

British vs American Usage

Differences

No significant spelling, pronunciation, or usage differences. Standard medical term in both varieties.

Connotations

Purely clinical term with no regional connotative variation.

Frequency

Identically low frequency outside medical/clinical contexts. Specialist term.

Vocabulary

Collocations

strong
acute hypercapniachronic hypercapniapermissive hypercapniasevere hypercapniadevelop hypercapnialead to hypercapnia
medium
hypercapnia occurssymptoms of hypercapniatreat hypercapniarisk of hypercapnia
weak
mild hypercapniapersistent hypercapniarelated hypercapniafacing hypercapnia

Grammar

Valency Patterns

Patient + experience/develop/suffer from + hypercapniaHypercapnia + cause/lead to + symptom/conditionTreatment + correct/reverse/address + hypercapnia

Vocabulary

Synonyms

Strong

hypercarbia (identical in clinical use)

Neutral

hypercarbiacarbon dioxide retention

Weak

raised CO₂elevated carbon dioxide levels

Vocabulary

Antonyms

hypocapniahypocarbia

Usage

Context Usage

Business

Not used.

Academic

Exclusively in medical, physiological, and nursing research and literature.

Everyday

Not used in general conversation.

Technical

Core term in critical care medicine, pulmonology, anaesthesiology, and respiratory physiology.

Examples

By Part of Speech

adjective

British English

  • The patient was hypercapnic and required ventilatory support.

American English

  • The hypercapnic state was a direct result of the opioid overdose.

Examples

By CEFR Level

B1
  • Divers can experience hypercapnia if they do not breathe properly.
B2
  • The patient's drowsiness was initially attributed to medication, but a blood gas test revealed significant hypercapnia.
C1
  • Permissive hypercapnia is a protective ventilator strategy used in severe ARDS to minimise barotrauma, albeit at the cost of accepting a higher PaCO₂.

Learning

Memory Aids

Mnemonic

HYPER-CAPnia: Think of being 'HYPER' or over your 'CAP'acity for breathing out CO₂, so it builds up.

Conceptual Metaphor

TOXIC BUILD-UP (like a poison or waste product accumulating in the body's system).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Do not confuse with 'гиперкапния', which is the direct translation and identical in meaning.
  • Avoid literal translation attempts like 'гиперуглекислота'.

Common Mistakes

  • Misspelling as 'hypercapnea' or 'hypercapina'.
  • Confusing it with 'hypercapnia' being a disease name rather than a physiological state.
  • Incorrect stress on first syllable (HY-per-cap-nia) instead of the third (hy-per-CAP-nia).

Practice

Quiz

Fill in the gap
A common cause of acute respiratory failure leading to is the excessive administration of opioids, which depress the respiratory centre.
Multiple Choice

What is the primary cause of hypercapnia in patients with severe COPD?

FAQ

Frequently Asked Questions

No. Suffocation is a broader term meaning deprivation of air/oxygen, which can lead to hypercapnia as a specific consequence.

Yes. This is common in conditions like COPD and is known as 'hypercapnic respiratory failure' or 'type 2 respiratory failure'.

Early signs include shortness of breath, headache, confusion, and flushed skin. Severe cases can lead to seizures, coma, or death.

Yes. Treatment involves addressing the underlying cause, such as providing mechanical ventilation, using bronchodilators for COPD, or reversing opioid effects with naloxone.