Images below are screen captures of the video tutorial.
This narrative captures good points.
Positive cardinal symptom are clearly identified.
And each cardinal symptom is probed by the questions in the Cardinal Symptoms List. For example, details of the diarrheoa include the frequency, feature, and associated symptoms.
And extra medical information is described as well.
This narrative also shows clear time sequence of the events and symptoms.
Finally, negative symptoms are very well presented. Mentioning each negative symptom clarifies the story well.