abnormal location of the placenta at or near the internal cervical os 1/200 at time of delivery many are low lying in early pregnancy...

Types of Abortions THERAPEUTIC ABORTIONS Medical management < 9 weeks use methotrexate plus misoprostol (experimental) ...

PNEUMONIA Clinical Features   incidence is greatest in first year of life fever, cough, crackles tachypnea, tachycar...

WHEEZING Differential Diagnosis of Wheezing   asthma: recurrent wheezing episodes pneumonia: fever, cough, malaise ...

STRIDOR   Common Causes of Stridor   lumen: foreign body, hypertrophic tonsils or adenoids respiratory wall: croup, epiglot...

Hypospadias 1:500 newborns urethral meatus opens on the ventral side of the penis,proximal to the glans may be associated w...

URINARY TRACT OBSTRUCTION Posterior Urethral Valves   1/50 000 most common obstructive urethral lesion in male infants muco...

HEMOLYTIC UREMIC SYNDROME   acquired renal insufficiency triad: nephropathy, thrombocytopenia, microangiopathic hemolytic anemi...

HEMATURIA   Asymptomatic Microscopic Hematuria 5% of school aged children on single test but < 1% on repeated testing ...

NEURAL TUBE DEFECTS   defective closure of caudal neural tube in fourth week gestation tovarying degrees spina bifida occulta :...