Tachycardia-bradycardia (“tachy-brady”) syndrome

(“tachy-brady”) syndrome

• Features may include:
  • periods of unprovoked SB, SA arrest, paroxysms of SB and atrial
  • tachyarrhythmias, chronotropic incompetence w/ ETT
• Treatment:
  • meds alone usually fail (adeq. control tachy → unacceptable brady);
  • usually need combination of meds (βB, CCB, dig) for tachycardia & PPM for bradycardia