15th September 2020

A 70-year-old female presents to her GP with breathlessness

A 70-year-old female presents to her GP with breathlessness. She has always been rather breathless following her heart attack 3 years ago, but it has gotten much worse over the past 2 days. Her husband, who accompanied her, also notes that she has been rather confused over the same time. On examination, there are crackles audible in the left lower zone. 

For the patient above, please select the SINGLE most likely diagnosis. Select ONE option from the list above.