Question

What is the MCC of LRTI in kids less than 1 years old?

Accepted Answer

RSV (Paramyxovirus) ↓Surface G and F proteins↓G helps attach and F helps merge into characteristic syncytium↓Child <2 years oldIncreased respiratory effortTachypneaNasal flaringIntercostal | subcostal | suprasternal retractionsHypoxemia (SpO2 <95%)Giant multinucleated cells (syncitia)Accessory muscle useGruntingApneaAcute respiratory failure

Front	What is the MCC of LRTI in kids less than 1 years old?
Back	*RSV (Paramyxovirus)* ↓ Surface G and F proteins ↓ G helps attach and F helps merge into characteristic syncytium ↓ Child <2 years old Increased respiratory effort Tachypnea Nasal flaring Intercostal \| subcostal \| suprasternal retractions Hypoxemia (SpO₂ <95%) Giant multinucleated cells (syncitia) Accessory muscle use Grunting Apnea Acute respiratory failure

Years G F Helps Respiratory Mcc Lrti Kids