Disease Knowledge Center

Evidence-Based Medical Encyclopedia

Explore thousands of diseases with authoritative clinical information from WHO, CDC, NIH, and international medical guidelines. Every condition features an interactive journey from diagnosis to treatment.

200 Diseases
60 Specialties
276 Sources

Browse by Specialty

Pulmonology Clear Filters

Pulmonology

Pulmonology & Pediatrics E84.9

Cystic Fibrosis

A genetic disease causing thick, sticky mucus buildup in the lungs and digestive tract, leading to life-threatening respiratory infections and malnutrition.

Infectious Diseases & Pulmonology

Pulmonary Tuberculosis

An airborne bacterial infection caused by M. tuberculosis that primarily affects the lungs, leading to granulomatous inflammation, cavitary lesions, and chronic respiratory symptoms.

Oncology & Pulmonology

Small Cell Lung Cancer

A very fast-growing, aggressive lung cancer strongly linked to heavy smoking, presenting centrally in the chest and often spreading early to the brain and other organs.

Pulmonology

Bronchiectasis

Permanent structural dilation of airways due to chronic inflammation and recurrent infections.

Pulmonology I26.99

Pulmonary Embolism

A life-threatening blood clot in the lungs that blocks blood flow, causing sudden shortness of breath and chest pain.

Pulmonology D86.9

Sarcoidosis

An inflammatory disease where tiny collections of immune cells (granulomas) grow in the lungs, lymph nodes, and other organs, causing coughing and shortness of breath.

Pulmonology

Idiopathic Pulmonary Fibrosis

A fatal disease where the lungs become progressively scarred and stiff for unknown reasons, making breathing extremely difficult.

Pulmonology J45.909

Asthma

A chronic lung disease causing episodes of airway narrowing and mucus production, leading to wheezing and shortness of breath. Controlled with daily inhaled steroids.

Pulmonology J90

Pleural Effusion

Buildup of fluid between the layers of tissue that line the lungs and chest cavity, commonly causing shortness of breath and chest pain.

Pulmonology

Obstructive Sleep Apnea

A condition where the airway repeatedly collapses during sleep, stopping breathing and causing severe snoring, poor sleep, and daytime sleepiness.

Pulmonology J93.9

Pneumothorax

Air trapped in the chest cavity outside the lung, causing the lung to partially or completely collapse, resulting in sudden chest pain and breathlessness.

Pulmonology I27.0

Pulmonary Arterial Hypertension

A progressive disease causing severe narrowing of the lung arteries, leading to high pressure in the lungs and ultimately right-sided heart failure.

System Notice

Confirm Action