Causes of Bradycardia

Cause	Description
Electrolyte Imbalances	Imbalances in electrolytes, particularly potassium and calcium, can affect heart rate.
Hypoxia	Reduced oxygen levels in the blood can lead to bradycardia.
Hypoglycemia	Low blood sugar levels can contribute to a slower heart rate.
Hypothermia	Lowered body temperature can cause bradycardia.
Medications	Certain medications (e.g., beta-blockers, calcium channel blockers, digoxin) can cause bradycardia.
Acute Coronary Syndrome	Myocardial infarction, particularly inferior MI, can cause bradycardia due to increased vagal tone.
Infections and Inflammatory Conditions	Conditions like Lyme disease and myocarditis can lead to bradycardia.
Increased Intracranial Pressure	Conditions that increase intracranial pressure can lead to bradycardia.
Thyroid Disorders	Hypothyroidism can result in bradycardia.
Sleep Apnea	Causes episodes of bradycardia during sleep.