"A 4 year old boy presented with fever and dyspnea for 5 days, he had no cough or rhinorrhea.
Physical examinations revealed BT 38.2 C, HR 136/min, RR 40/min, SpO2 96% Lungs- bronchial breath sound with dullness on percussion of RUL, no wheezing or crepitations. Others- unremarkable Chest X ray as shown in figure 1.
Intravenous cefotaxime with supportive treatment were given, his vital signs in the first 5 days of admission were in the figure 2.
1. What is the most likely diagnosis?
2. What is the most likely pathogen?
1. Pneumonia หรือ bacterial pneumonia หรือ lobar pneumonia หรือ right upper lobe pneumonia
2. Steptococcus pneumoniae