What is the correct full form for V tach?

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V tach refers to a rapid heart rhythm that begins in the heart’s ventricles. The full form is Ventricular Tachycardia, indicating the ventricle origin and a fast rate. This distinguishes it from rhythms that start in the atria or from terms describing breathing rather than cardiac rhythm. The other options don’t fit: ventricular tachyarrhythmia would be a broader description of a fast rhythm of the ventricles and isn’t the standard expansion of V tach; tachypnea is rapid breathing, not a cardiac rhythm; and venous tachycardia wrongly implies a vein-related issue.