At first few more details will be needed to comment on this query
*Age of the patient, comorbity as BP,
SUGAR,
THYROID or other medical illness for which medications if any, history of smoking alcohol intake, dietary habit, duration of current psychiatric symptoms, treatment how many days
* Escitalopram is the medication for treating mood disorders and anxiety symptoms , tightness, throat symptoms are also one of the presentation of anxiety
* Propranolol is used to lower down autonomic symptoms associated with anxiety as HR, Palpitation, tremors, gradually this medication is tapered and main medication as Escitalopram in your case is continued
* You must make a record of your anxiety symptoms, frequency, duration, discuss it with doctor in follow up visits
* Medication dose will be adjusted as per your improvement