1.5 yrs old femal child(11 kg weight) with no pravious medical history presented with shortnes of breath and fever ,poor feeding,poor sleep,cynosis,no vomiting,no diarrhea,good urinary out put,no convelsion,what is the most suitable diagnosis???if u kno she got GUE and had 2-3 pus cell ,1-2 epithelial cell,amorphous crystl on urine microscopic examination.......