<prompt> The ECG given below is seen in which condition ?HeafailureHyperkalemiaHypothrmiaPericarditis  <response>: Hyperkelemia - ECG tall T waves Clinical Features Most of Hyperkalemic individuals are asymptomatic. If present - symptoms are nonspecific and predominantly related to muscular or cardiac functions. The most common - weakness and fatigue. Occasionally, frank muscle paralysis or shoness of breath. Patients also may complain of palpitations or chest pain. Arrythmias occur-- Sinus Brady, Sinus arrest, VT, VF, Asystole ,some may repo nausea, vomiting, and paresthesias ref : harrisons 20th ed 