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What can cause an increased heart rate? SA node as pacemaker, Cocaine, anxiety, caffeine, smoking, pain, shock, heart failure, fever, exercise, respiratory distress, dehydration
Clinical symptoms of sinus tachycardia? Rapid, regular on auscultation, usually relatively asymptomatic, occasional palpitations, dyspnea, increases work load of the heart
Treatment for sinus tachycardia? Treat the cause
What can cause decreased heart rate? SA node as pacemaker, beta blockers, ca+ channel blockers, digoxin, hypothermia, valsalva maneuver, athletes (exercise a lot), narcotic overdose, hypothyroidism (myxedema coma)
What are the clinical features of sinus bradycardia? slow, regular apical pulse
What are the symptoms of sinus bradycardia? symptoms will be present only if cardiac output is decreased- fatigue, SOB, hypotension, dizziness, syncope
Created by: Sdeme1229