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Neonatal respiratory distress syndrome

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Respiratory system

Pathology

Upper respiratory tract disorders
Lower respiratory tract disorders
Pleura and pleural space disorders
Pulmonary vascular disorders
Apnea and hypoventilation
Respiratory system pathology review

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Neonatal respiratory distress syndrome

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High Yield Notes
7 pages
Flashcards

Neonatal respiratory distress syndrome

12 flashcards
Questions

USMLE® Step 1 style questions USMLE

5 questions
Preview

A 1-day-old boy is brought to the intensive care unit from the nursery due to increased work of breathing. The patient was born at 31 weeks to a mother with a history of multiple preterm deliveries, polysubstance abuse and HIV. His temperature is 38°C (100.4°F), pulse is 215/min, respirations are 76/min, blood pressure is 60/41 mmHg, and oxygen saturation is 85% on room air. Physical exam shows tachypnea, nasal flaring, and subcostal retractions. Administration of supplemental oxygen and positive pressure ventilation improve the patient's oxygen saturation to 95%. Blood glucose is 95 mg/dL. Chest x-ray and laboratory results are shown below:  

 
Reproduced from: Wikipedia
 

Laboratory value  Result 
Blood Gases, Serum 
pH  7.23 
 PCO2  55 mmHg 
 PO2  30 mmHg 
Which of the following best describes the etiology of this infant’s disease process?

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Summary

Infant respiratory distress syndrome (IRDS), also called neonatal respiratory distress syndrome, is a syndrome common in premature infants that is caused by developmental insufficiency of surfactant production and structural immaturity in the lungs. The result is inability to exchange oxygen and carbon dioxide effectively across the alveolar-capillary membrane.

Symptoms of RDS may include rapid breathing, grunting, flaring of the nostrils, and cyanosis (bluish skin and lips). The severity of the symptoms can vary depending on the severity of the RDS. Treatment for RDS may include supplemental oxygen, respiratory support, and medications to improve lung function.