Final answer:
The provisional diagnosis for the woman's symptoms is Broken Heart Syndrome, also known as Takotsubo cardiomyopathy or stress-induced cardiomyopathy. This condition is triggered by extreme stress and can lead to congestive heart failure and other heart-related symptoms.
Step-by-step explanation:
The provisional diagnosis for the 60-year-old woman who experienced choking, rapid heartbeats, and sweating during the car ride is Broken Heart Syndrome, also known as Takotsubo cardiomyopathy or stress-induced cardiomyopathy. This condition is triggered by extreme stress, such as an emotional event or traumatic experience like a car accident. It can lead to congestive heart failure and other heart-related symptoms.
In this case, the woman's previous car accident several years ago may have contributed to the development of Broken Heart Syndrome. The stress and emotional trauma from that experience, combined with the recent car accident, could have triggered the symptoms she experienced.
To make a definitive diagnosis, further medical evaluation, such as a thorough physical exam, diagnostic tests, and consultation with a cardiologist, would be necessary.