*Nutrition*
1- DD of failure to thrive
2- DD of dysphagia
3- DD of kwashiorkor ( dermatitis + Edema)
4- DD of acute abdominal pain ( Inf - medical - surgical - other )
5- DD of delayed closure of the anteroposterior region
6- delayed dentition
*Hepatology*
1- DD of Jaundice ( Neonatal - infant infant/child of hepatomegaly
3- DD of hepatosplenomegaly ( Neonatal - early children - late children)
4- DD of cholestasis
*Respiratory*
1- DD of wheezing or asthma ( recurrent or non-recurrent)
2- DD of whooping cough ( pertussis - adenovirus )
3- DD of acute cough ( without distress - with )
4- DD of prolonged cough
5- DD of chronic cough
6- DD of chronic cough
7- DD of recurrent chest infection
*nephrology*
1- DD of hematuria
2- DD of polyuria
*hematology*
1- DD of anaemia
⬇️ production
⬆️ destruction
Hemorrhagic
2- DD of hemolytic anaemia
3- DD of microcytic hypochromic anaemia
4- DD of acute hemolysis
5- DD of purpura ( thrombocytopenic ( ⬆️ ⬇️)
Non
*rheumatology*
1- DD of arthritis
2- classification of vasculitis
3- DD of Rheumatology in Bone - blood - malignancy - inf - immune - inborn Genetics- growing bone )
Differential diagnosis of Kawasaki:

1. Viral infections, e.g. Measles, EBV, CMV, Enteroviruses.

2. Bacterial infections, e.g. Scarlet fever, Meningococcemia

3. Rheumatological disease: Systemic-onset JIA

4. Other: Drug-hypersensitivity reaction, Stevens-Johnson syndrome.

*EMERGENCY*
1- DD of stridor ( infectious , non )
2 types of shock
3- causes of coma ( primary - secondary)
4- respiratory distress ( type 1 - type 2 )

*INFECTION*
1- DD of fever ( with focus - with but high grade and rigors - without bactremia + viremia )
2- DD of unknown origin
( infection - immune - tumors - others )
3- DD of fever with rash
( fever + purpuric rash - fever + mucopapular )
4- DD of vesicopapular rash ( infection - skin disorders - drug eruption )
*Neonatology*
1- DD of preterm or SGA
From mother or fetal
2- DD of LGA
3- Neonatal Apnea
( premature- 2ry )
4- Neonatal RDS ( pulmonary + extrapolumonary )
5- Neonatal cyanosis
(Polmonary - extrapolmunary - metabolic - cardiac - central - metabolic)
6- DD of vascular abnormalities in face
( salmon patch - port wine stain - cavernous hemagioma )
7- DD of Neonatal seizures ( Jitterness - benign Neonatal sleep myoclonus - apnea of premarurity )
8- Neonatal hyperbilirubinemia
( Physiologiacl - pathological )
9- Neonatal bleeding
*GIT*
1- DD of Neonatal vomiting
( With good - bad condition )
2- DD of child vomiting
( medical - surgical )
3- DD of acute diarrhea
Infective - non infective )
4- DD of chronic diarrhea
*neurology*
1- DD of mental retardation
2- DD of acute seizure
3- mimic seizure
4- DD of acute paralysis
( spinal - ANC - peripheral nerve - NM )
5- DD of floppy infant