Idiopathic pulmonary fibrosis

Haemoptysis

Acute heart failure and pulmonary oedema

Pulmonary function tests

Chest x-ray interpretation

Respiratory failure

Exposure to tuberculous infection

Acute bronchitis

Extra-intestinal protozoal diseases

Haemolytic anaemia

Iron deficiency anaemia

HIV infection

Macrocytosis (increased MCV)

Carbon monoxide poisoning

Chronic lymphocytic leukaemia (CLL)

Cardiopulmonary resuscitation (CPR)

Ear wax

Drug poisoning

An unconscious patient

Myocarditis