The nature of infections
Clinical features of infection
Systemic
Malaise
Aches
Fever, shaky, rigor
Increases heart rate
Increased respiratory rate
Increased blood glucose
Altered mental status
Possible localising features
White blood cells (leucocytes)

Consequences of infection
Respiratory, dyspnoea, hypoxaemia
Gastrointestinal, vomiting, diarrhoea
Urinary, dysuria, pus, blood
Meningitis, headache, back pain, photophobia
Shock, low blood pressure

Treatment
Rest
Warmth
Causal
Antibiotics
Antivirals
Fluids
Food, anorexia
Supportive, oxygen, intravenous fluids
Urine output