cialix athletes heart is sinus Brady arrhythmia including sinus bradycardia first-degree AV block and when Kabakov which type one second degree AV block we can see in this example here extreme bradycardia in a 16 year old competitive cyclist who is completely asymptomatic heart rate can be as slow as 30 30 to 40 bit per minute at rest in the highly conditioned athlete and decreased to less than 30 beats per minute during sleep many asymptomatic athletes have also sinus poses at rest and during sleep this is a normal phenomenon and usually will become suppressed by exercise doe sinus bradycardia is considered to be expression
