2012 Bradycardia General Cardiology 
All About Cardiovascular System and Disorders
MAY 2, 2024
Athlete’s bradycardia due to increased parasympathetic tone and decreased sympathetic tone is a well-known observation. Though sinus bradycardia is usual, other abnormalities like sinus arrhythmia, sinus arrest, wandering atrial pacemaker and coronary sinus rhythm have been described. 2012 Jun;98(12):947-55. References 1.Prior
All About Cardiovascular System and Disorders
APRIL 14, 2024
Use of drugs producing bradycardia like beta blockers in stages III and IV may precipitate low output state. 2012; 126: 138-141. In stage IV, this restrictive filling pattern remains fixed even during Valsalva maneuver. Initial stages (I to III) are considered reversible with treatment. Stage IV is considered as advanced. Circulation.
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