A 2 yrs old boy, is brought with sudden onset of stridor and respiratory difficulty. The chest examination reveals decreased breath sounds and wheeze in the right side. The chest X-Ray showed an opaque right hemithorax. Which of the following is the most likely diagnosis:
Foreign body inhalation is most common cause of acute collapse with peak age incedence in 1-2 years. Ref: Textbook of Pediatrics By K.N Agarwal, 2010, Page 235
Pneumothorax
Acute epiglottitis
Massive pleural effusion
Foreign body aspiration