]> 2026-07-31T08:08:15+00:00 WBR1035 0 en Foreign body aspiration '''Incorrect'''- Foreign body aspiration is suspected in cases of sudden onset stridor. A fever is not a symptom of foreign body aspiration. Epiglottitis Laryngeal diphtheria '''Incorrect'''- it can occur in older patient with no vaccination history '''Croup''' '''Correct'''- Laryngeal inflammation leading to hoarseness, a barking cough in a children typically less than 3 years of age is characteristic for croup. Laryngo-tracheo-broncho pneumonitis '''Incorrect'''-Bacterial laryngo-tracheo-broncho pneumonitis is manifested by wheezing, lower respiratory involvement and interstitial changes on chest x-rays. Croup, also known as laryngotracheitis or laryngo-tracheo-bronchitis (LTB), is characterized by laryngeal inflammation leading to hoarseness, a barking cough. The child is typically less than 3 years of age, and the most common agent is Parainfluenza virus. Croup is usually a clinical diagnosis. Lateral neck x-rays show subglottic narrowing Croup commonly presents in children and is caused by Parainfluenza virus.<br/> '''Educational Objective:''' Croup commonly presents in children and is caused by Parainfluenza virus.<br/> '''References:''' First Aid USMLE 2CK Pediatrics A 3.5 year-old boy is brought to the hospital due to a cough and a whistling sound with breathing. Three days ago, he developed fever, a hoarse cry, rhinorrhea and a progressively worsening, barky cough. His immunizations are up-to-date. His 6-year-old brother also as cold symptoms. His temperature is 37.5C (99.5F),pulse is 140/min, and respirations are 36/min. On examination, he is conscious, in mild respiratory distress, has a dry barking cough. His pharynx is reddish and injected, but without enlargement or asymmetry. The lungs auscultation was clear. Lateral neck x-rays reveal a narrowed subglottic region. What is the most likely diagnosis? C Head and Neck Infectious Disease Respiratory 2020-10-28T02:25:58Z 2459150.6013657 WBR1035