Croup(acute-laryngotracheobronchitis) {Ans: acute viral infection and swelling of subglottic region of trachea Most common 6-36 months Sns-inflammation and swelling of trachea,secretions,muscle spasms,barking cough,STRIDOR on inhalation! Treatment-fluids,rest,analgesics,antipyretics}Strabismus {Ans: lack of muscle coordination causes eyes to not visually meet,cross eyed appearance SNS-clumsy,uncoordinated Treatment-medical or surgical,patching stronger eye and eye exercises}Neuroblastoma {Ans: smooth, hard, nontender mass that occurs anywhere along the sympathetic nervous system chain SNS-abdominal mass, firm, irregular in shape Spinal cord compression ecchymosis of eyelid & proptosis (bulging) Fatigue, low grade fever, pain, refusal to bear weigh, limp treatment-surgery,chemo,radiation,biotherapy}Acute lymphoblastic leukemia (ALL) {Ans: Single lymphoid cell becomes malignant and proliferates uncontrollably SNS-pancytopenia(low red,white,platlets) infection Anemia Bleeding Petechiae/purpura Hepatosplenomegaly(liver and spleen are enlarged) Lymphadenopathy Bone pain treatment-radiation treatment}Juvenile idiopathic arthritis(JIA) {Ans: t-cell activation triggers release of inflammatory substances in joints and skin persistent joint swelling and stiffness that's worse in morning,fever,rash history/exam,x ray,mri,bone scan NSAIDs,steroids,anti-rheumatic drugs,PT!}Developmental dysplasia of the hip(DDH) {Ans: head of femur doesn't fit with hip socket SNS-instability of hip, limited abduction of hip barlows and ortolani's maneuver can diagnosis but unreliable after 8-12 weeks -NB to 6 months a pavlik harness is worn for about 6 weeks-cotton undershirt,no lotions,perform neuro and skin checks