<prompt> A patient comes to emergency opd with feeling of impending doom, intense anxeity and palpitations. All of the following investigations should be done in emergency except?T3, T4, TSHGlucose levelsHemoglobinECG  <response>: The symptoms of impending doom and palpitations are suggestive of a panic attack and it is important to rule out hyperthyroidism, hypoglycemia and myocardial infarction. Hence T3, T4, TSH, Glucose levels and ECG has to be done. 