According to your question you are suffering from stress and anxiety due to disease of your father.
Don't worry - please wait for the result .
Next Steps
In cardiovascular disease medicine will continue for lifelong so why should worry about the medicine .
after result take the consultation from a doctor and doctor will give the medicine and will do the advice regarding lifestyle exercise and medicine to prevent any secondary complication in the future.
Health Tips
Say to your father keep positive attitude to fight any disease and any problem of your life.