ALL of the following statement regarding the ECG in acute pericarditis are true except -: (A) T wave inversions develop before ST elevation retur to baseline, (B) Global ST segment elevation is seen in early pericarditis, (C) Sinus tachycardia is a common finding., (D) PR segment depression is present in majority of patients
Answer is A. Ref: R.Alagappan Manual for Medicine 4th Edition pg no:112 Acute Pericarditis ECG shows * Sinus tachycardia * An elevated, concave upwards S-T segment * Upright, tall, peaked T-waves (earliest change) * No reciprocal changes in the opposite leads.