Hi doctor, I understand that a resting EKG cannot show catecholaminergic polymorphic ventricular tachycardia (CPVT). I had numerous EKGs and echoes and all were normal. I read that the stress test is the only way to diagnose CPVT. I have had major panic attacks during EKGs with heart rates up to 140 to 150 numerous times and they only showed sinus tachycardia. I also read that CPVT will show up during heart rates of 120 to 130 bpm. Why the CPVT is not evident on EKGs?
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