**Question:** Newborn with APGAR score of 2 at 1 min. & 6 at 5 min. has respiratory distress & mediastinal shift diagnosis is –

A. Respiratory distress syndrome
B. Hypoplastic lungs
C. Congenital diaphragmatic hernia
D. Congenital heart disease

**Core Concept:**

The APGAR score is a rapid assessment tool used to evaluate a newborn's condition immediately after birth. It is comprised of five parameters: Appearance, Pulse, Grimace, Activity, and Respiration (APGAR). A low score at 1 minute (2 in this case) indicates severe distress, while a score between 7-9 at 5 minutes suggests mild to moderate distress. A score of 10 indicates a normal baby.

**Why the Correct Answer is Right:**

A newborn with a 1-minute APGAR score of 2 and 6 at 5 minutes demonstrates severe respiratory distress and mediastinal shift. This indicates respiratory distress syndrome (RDS), also known as hyaline membrane disease. RDS occurs due to immature lungs that are unable to produce sufficient surfactant, preventing alveoli from collapsing and causing respiratory distress.

**Why Each Wrong Option is Incorrect:**

A. Hypoplastic lungs (B) are underdeveloped lungs, which would result in a different clinical presentation and APGAR scores.
C. Congenital diaphragmatic hernia (C) would present with a different set of symptoms and imaging findings.
D. Congenital heart disease (D) is unrelated to the APGAR scores and respiratory distress described in the question.

**Clinical Pearl:**

A neonatal resuscitation team should promptly administer oxygen therapy, surfactant replacement, and initiate ventilation support for a newborn with respiratory distress and mediastinal shift. Early intervention is crucial in improving the prognosis for babies with respiratory distress syndrome.