Pneumonia: Causes, Types, and Anatomical Classification

Pneumonia Causes and Types

• The most common cause of pneumonia is Streptococcus pneumoniae.

Community-Acquired Pneumonia

• Community-acquired pneumonia (CAP) is the type of pneumonia acquired in the community setting.

Clinical Examination Findings

• A common clinical examination finding in pneumonia is Crackles or Rales.

Investigations for Pneumonia

• Common investigations performed for suspected pneumonia include Chest X-ray, Complete Blood Count (CBC), and Blood Cultures.

Signs of Severe Pneumonia

• Signs of severe pneumonia include Respiratory Rate > 30/min, Systolic Blood Pressure < 90mmHg, and PaO2 < 60mmHg.

Clinical Examination Findings in Lobar Pneumonia

• Dullness on percussion is commonly associated with Lobar Pneumonia.

Chest X-ray Findings in Lobar Pneumonia

• Consolidation or opacity of one or more lobes is commonly seen on Chest X-ray in patients with Lobar Pneumonia.