54 YEAR OLD FEMALE WITH COMPLAINTS OF BREATHLESSNESS SINCE 7 DAYS This is an online E-log entry blog to discuss and understand the clinical data analysis of a patient, to develop competency in comprehending clinical problems, and providing evidence- based inputs in order to come up with a diagnosis and effective treatment plan to the best of my ability. A 54 year old female from Nalgonda presented to the hospital at 10pm on 5th May 2021 with the chief complaints of Shortness of Breath (SOB) since 7 days. HISTORY OF PRESENTING ILLNESS: The patient was apparently asymptomatic 7 days ago when she developed Shortness of Breath (SOB) which was sudden in onset, initially gradually progressive, but later rapidly progressive 4 days ago, from Grade 2 to Grade 4 SOB (NYHA classification). It was associated with positional variation, with the SOB getting worse in sleeping position and being relieved on sitting. No other aggravating or relieving factors were noted. There was also a history of