Any QRS-complex that exceeds 120 milliseconds in duration, which can be seen in premature ventricular contractions or underlying bundle branch block.
Jonathan: "Dayum bro, that QRS thicc! She defs a PVC..."

Jonathan: "Holy fuck cuh, that QRS dummy thicccccc! She gotta be hyperkalemia."
by deadmeatdontbeat October 31, 2019
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