Lower Respiratory Tract

Asthma

Gram-stained microscopic image showing purple Streptococcus pneumoniae bacteria in chains and clusters, with a 10 μm scale bar.

Bronchiectasis

Bronchiolitis

Cystic Fibrosis

Pneumonia

Popular

Color-coded cardiac axis diagram showing normal QRS axis, left axis deviation, right axis deviation, and extreme axis deviation, with ECG leads and degree markings.
Core principles

ECG interpretation

by Dr Dan Cave and Dr Husain Asgerally

Medical illustration of a newborn lying on its back with abdominal organs protruding through an opening at the umbilical area.
Abdominal

Omphalocele

by Asvini Balasubramaniam and Ahmed Osama Mohammed

X-ray of the distal tibia showing an osteosarcoma.
Oncology

Osteosarcoma

by Abi Harding and Dr Kathleen Duffin