7 causes of sinus bradycardia: hypoglycemia, hypothyroidism, sick sinus syndrome, increased vagal tone, ........

7 causes of sinus bradycardia:

hypoglycemia,

hypothyroidism,

sick sinus syndrome,

increased vagal tone,

hypothermia,

obstructive sleep apnea,

AV blocking medications (beta-blockers, non-dihydropyridine calcium channel blockers, digoixin)

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