Differential Diagnosis

Question 1

Acute Cough DDx

Answer 1

URTI
Pneumonia
Pertussis
Croup
Foreign Body Aspiration
Bronchiolitis (<12m/o)
Asthma
Epiglottitis

Question 2

Chronic Cough DDx

Answer 2

Asthma
Post Viral Cough
Tuberculosis
Allergic rhinits/PND
Cardiac
Psychogenic Cough (Teenagers)
Environmental Irritant
Cystic Fibrosis

Question 3

Acute Shortness of Breath (Infants) DDx

Answer 3

Bronchiolitis
Croup
Pneumonia
Foreign Body Aspiration
Anaphylaxis

Question 4

Pediatric Fever DDx

Answer 4

URTI - Tonsillitis, Sinusitis
Pneumonia
UTI
Meningitis
Sepsis
OA and SA
Kawasaki Disease
Scarlet Disease
EBV

Question 5

Recurrent Runny Nose DDx

Answer 5

Infections (ENT) - URTI
Allergic Rhinitis
Immuno Deficiency - CF, Celiac D, Leukemia

Question 6

Neonate Cough DDx

Answer 6

Bronchiolitis
Laryngomalacia
URTI - Rhinitis, Pharyngitis
Pneumonia
Pertussis
FBA
Congenital Heart Disease
Coarctation of the Aorta

Question 7

Poor Attention/Aggression in School DDx

Answer 7

OSA
Absence Seizure
ADHD
Autism
Oppositional Defiant Disorder
Hearing and Vision Problems
Psychological d/o - Depression and Anxiety
Head Injuries

Question 8

Neonatal Jaundice DDx

Answer 8

<24 hrs - Sepsis, Hemolysis (ABO Incompatibility, Spherocytosis, G6PD)
Day 2 - Week 2 - Physio J, Dehydration (Breastfeeding J), Cephalhematoma, Sepsis and Hemolysis
Week 2 onwards - Breastmilk J, Hypothyroid, Conjugated Bilirubin

Conjugated Bil (>15%) - Galactosemia, Neonatal Hepatitis, Choledocal Cyst, Biliary Atresia, Sepsis

Question 9

Neck Lump DDx (Pedia)

Answer 9

Thyroid DDx- Thyroiditis, Goiter, Thyroid Nodule
Lymph node
- Reactive/Infection - Tonsils, pharynx, Impetigo, Dental infections
- Malugnancy - Lymphoma and leukemia
Brachial cyst
Benign skin lumps - Dermoid Cyst

Question 10

Seizure DDx

Answer 10

Unprovoked Seizure
Brain Tumors
Head Trauma
ICH
Meningitis
Encephalitis
Febrile Convusions
Vasovagal Syncope
Cardiac Conditions - Arrythmia
Psychogenic Seizure
Migraine

Question 11

Unresponsive DDx

Answer 11

BRUE
Breath holding Spells
Seizures
NAI and Head Injury
Infection (Sepsis)
Inhaled Foreign Body
Congenital Heart Disease
Hypoglycemia and Dehydration
Hernia or Intussusception

Question 12

Body Odor DDx

Answer 12

Puberty Changes
Body Dysmorphic d/o
Thyroid
Diabetes Mellitus
PKU
Celiac Disease
Cystic Fibrosis
Obesity
Hygiene
Diet and Medication

Question 13

Rash DDx

Answer 13

Infectious - Viral, Bacterial, Parasitic
- Viral Exanthem
- Herpes, Chicken Pox
- Hand Foot Mouth Disease
- Meningoccoxemia
- Impetigo
- Erythema Nodosum
- Roseola Infantum
- Molloscum Contagiosum
- Measles
- Scabies
- Tinea Corporis/Ring worm
- Erythema Multiforme
Autoimmune
- Celiac Disease
- IBD
- Psoriasis
Allergic Condition
- Eczema
- Anaphylaxis
- Utricaria
- Contact Dermatitis
Purpuric Rash
- ITP
- Leukemia or Lymphoma
- HUS
- HSP
- Bleeding D/o
- NAI