Phthisis Epidemic of 1849 in Marshfield, Mass

My fourth great grandmother, Elizabeth "Betsey" (Bathrick) Burridge, was a victim of phthisis of the organs, from which she died, on March 4, 1849 here in Marshfield, Massachusetts.  In tapping into the Town of Marshfield historical death records1 this evening I learned she was not alone, many others were also taken by this same ailment.  In finding this out, I asked myself - what the heck is phthisis and did some research to find out it is tuberculosis of the lungs.  Mrs. Burridge was the daughter of John & Lois (Bathrick) Burridge of Lunenberg, Worcester, Massachusetts - where she was born around 1795-96 and the wife of David Bucknam of Malden, Massachusetts.  She had at least one daughter, who is my third great grandmother, Elizabeth (Bucknam) Bradley, who was living in Duxbury, Massachusetts with her husband Dr. John Philander Bradley.  Dr. Bradley was a dentist at that time.  Now I am wondering if Betsey and her husband, David, Burridge had a summer cottage in Marshfield at that time.

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1  Macomber, Charles W - Town Clerk, Marshfield, Massachusetts, downloaded 28, Jan. 2013, 

            https://familysearch.org/records/collection/1463156/waypoints 

My fourth great grandmother is also recorded in the Medford Town death records for the same day  from consumption (also  known as tuberculosis or sometimes the doctor if he didnt know what the person had would call the ailment consumption - as in the case of my fourth great grandfather, Samuel Palmer Greene of Thompson, Connecticut who just went to bed earlier not feeling well one night and suddenly was said to have sat up in bed and looked out the window over his farmland and said,"unto thee I commit my spirit" and with that fell back and took his last breath.  He simply died of old age, but the doctor could not find any thing wrong and labeled it consumption.  The Medford records also gives her birth as Needham, Massachusetts.  However, back to my fourth great grandmother - I tend to believe she died in Marshfield here, but I need to do more research to come to any final conclusion.