DDDR

Cardiology A formal mode designation–atrial and ventricular pacing, atrial and ventricular sensing, dual response and rate-adaptive, used for dual chamber pacemakers. See Dual-chamber pacemaker. Cf VVIR.

DDDR

Acronym	Definition
DDDR➣Dual Chamber Rate Adaptive Pacemaker
DDDR➣Port D Data Direction Register (computing)

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