Pathognomonic Signs

• Pneumonia 


  Rusty sputum
• Asthma


  Wheezing on expiration
• Emphysema 


  Barrel chest
• Kawasaki Disease


  strawberry tongue
• pernicious anemia


  red beefy tongue
• Down syndrome

  simian crease, protruding tongue, fingernails clubbing
• cholera


  rice watery stool
• malaria


  stepladder fever
• typhoid fever


  rose spots (abdomen)
• diptheria


  pseudomembrane
• measles 


  koplik's spots
• german measles


  forchheimer's spots
• sle


  butterfly rash
• liver cirrhosis 


  spider angioma
• leprosy


  lion face
• bulimia


  chipmunk face
• appendecitis

  mcburney's point, psoas sign, rovsing's sign, obturator sign
• dengue 


  herman's sign; petechiae
• meningitis

  kernig, brudzinki, nuchal rigidity, opisthotonus
• tetany

  trosseau; chovstek
• pyloric stenosis


  olive shaped mass
• pda 


  machine-like murmur
• addison's disease


  bronze-like skin
• cushing's syndrome


  moon face; buffalo hump
• multiple sclerosis


  charcot's triad
• grave's disease/hyperthyroidism

  exopthalmos; myxedema
• intussuception


  dance sign; sausage-shaped mass
• mg


  ptosis, descending muscle weakness
• gbs


  ascending muscle weakness
• dvt


  homan's sign
• chicken pox


  vesicular rash (central to distal)
• angina 


  levine's sign
• myocardial infarction


  crushing pain
• croup 


  barking cough, stridor
• epiglottis


  drooling, dysphonia, dysphagia
• hodgkin's disease

  reed sternberg cells, painless cervical adenopathy
• pd


  pill-rolling tremors
• cystic fibrosis 


  salty skin
• dm

  polydipsia, polyuria, polyphagia
• dka

  acetone breath, kussmaul's breathing