1. Signs and symptoms
   1. PAIN
      1. Pathophysiology
      2. Chest pain
      3. Abdominal Pain
      4. Headache
      5. Back pain
      6. Neck pain
   2. Temperature alterations
      1. Fever, hyperthermia
      2. Fever and Rash
      3. Hypothermia
   3. Symptoms.Signs.Syndromes.Conditions.of.People.xmind
   4. Differential Diagnosis.xmind
2. Clinical Exam