A 2-year-old male boy presenting with sudden severe dyspnea, what is the most common cause?
Which of the following is the common cause of respiratory failure type 2 ?
A 3-year-old child presents with respiratory distress and a history of recurrent respiratory infections. Based on the provided imaging, what is the most likely diagnosis?

Most dangerous sign in lower respiratory tract infection (LRTI) in children is:
What is a key diagnostic criterion for acute respiratory distress syndrome (ARDS) in a child?
Which of the following statements accurately describes the benefits of prone positioning in ventilation for a polytrauma patient with ARDS?
Which among the following is a sure sign of heart failure in an infant with congenital heart disease?
Which of the following laboratory findings most directly indicates tissue hypoxia in a patient with chronic obstructive pulmonary disease (COPD)?
Most common bacterial cause of pneumonia in children is?
Which of the following statements about the ABCDE approach in pediatric Advanced Life Support (PALS) is incorrect?
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