Final answer:
The symptoms of shortened QT can include agitation, anxiety, sleep problems, nausea and vomiting, abnormal heart rhythms, low blood pressure, and muscular problems.
Step-by-step explanation:
The symptoms of shortened QT can include agitation, anxiety, sleep problems, nausea and vomiting, abnormal heart rhythms, low blood pressure, and muscular problems. These symptoms can vary from person to person and may also be accompanied by other symptoms such as bone pain, kidney stones, abdominal discomfort from constipation, and depression, anxiety, trouble sleeping, and anorexia.