Final answer:
Progressive cyanosis may indicate insufficiently oxygenated blood, commonly seen in severe heart development defects like tetralogy of Fallot and patent foramen ovale, leading to 'blue baby' syndrome. Asymmetrical chest movement could be associated with spontaneous pneumothorax, RDS, or meconium aspiration related complications.
Step-by-step explanation:
Progressive cyanosis is often seen in conditions where there is a decreased level of oxygenated blood, leading to a blue or purple coloration of the skin. This is symptomatic of severe septal defects, such as tetralogy of Fallot and patent foramen ovale, where the failure of the heart to develop properly can result in a 'blue baby' syndrome. Asymmetrical chest movement may suggest several conditions, including spontaneous pneumothorax, respiratory distress, or conditions leading to difficulty in lung inflation, such as respiratory distress syndrome (RDS), particularly in preterm infants, or complications from meconium aspiration at birth.
Individuals with RDS experience low blood oxygen levels due to insufficient production of pulmonary surfactant necessary for the lungs to inflate properly at birth. Similarly, meconium aspiration can cause a barrel-shaped chest and may lead to pneumonia, making the newborn vulnerable to pulmonary infections.