Definition

Noun: 1. An acute respiratory disease: A medical term for a specific type of lung infection characterized by a sudden onset. * Key characteristics: It is marked by high fever and coughing. * Cause: It is caused by bacteria of the genus Mycoplasma. * Affected group: It primarily affects children and young adults.

Usage Notes

• Medical Terminology: "Primary atypical pneumonia" is a formal, historical medical term. In contemporary clinical settings, healthcare professionals more commonly use terms like "Mycoplasma pneumonia" or "walking pneumonia" to describe the same condition.
• "Atypical" Meaning: The word "atypical" in this term indicates that the pneumonia does not present with the classic symptoms (e.g., severe productive cough, high white blood cell count) or respond to the typical antibiotics used for the most common bacterial pneumonias.
• Context: This term is primarily used in medical literature, textbooks, and historical case discussions.

Examples

• The patient was diagnosed with primary atypical pneumonia after presenting with a persistent dry cough and fever.
• Primary atypical pneumonia is often less severe than other forms of bacterial pneumonia, allowing some patients to remain ambulatory, hence the colloquial name "walking pneumonia."
• Outbreaks of primary atypical pneumonia are sometimes seen in close-contact settings like schools and military barracks.

Advanced Usage

• The term can be found in differential diagnoses, where a doctor lists possible causes for a set of symptoms: "The differential includes community-acquired pneumonia, primary atypical pneumonia, and acute bronchitis."

Variants and Related Words

• Mycoplasma pneumonia (n): The modern, more precise synonym for primary atypical pneumonia, named for the causative agent.
• Walking pneumonia (n): A common, informal term for the same condition, highlighting that patients often do not feel sick enough to be bedridden.
• Atypical pneumonia (n): A broader category of pneumonias not caused by the typical bacteria; is one of the main causes.

Synonyms

• Mycoplasma pneumonia
• Walking pneumonia (informal)

Related Terms (Medical Context)

• Pneumonia (n): The general term for inflammation of the lungs, often due to infection.
• Mycoplasma (n): A genus of bacteria that lack a cell wall, making them resistant to some common antibiotics like penicillin.
• Acute (adj): Referring to a disease with a sudden onset and short course.

Noun

1. an acute respiratory disease marked by high fever and coughing; caused by mycoplasma; primarily affecting children and young adults