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Dysrhythmias (Including EKG Strips) Latest Version 2024/2025 | Expert Verified | Ace the Test
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Dysrhythmias (Including EKG Strips) Latest Version 2024/2025 | Expert Verified | Ace the Test
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Dysrhythmias (Including EKG Strips) Latest Version2024/2025 | Expert Verified | Ace the Test
Normal Sinus Rhythm
Refers to a rhythm that originates in the SA node @ a rate of 60-100 BPM and follows normal
conduction pattern of the cardiac cycle.
Sinus Bradycardia
The conduction pathway is the same as that in sinus rhythm but the SA node fires @ a rate of
less than 60 BPM. May be normal in athletes.
Symptomatic Sinus Bradycadia S/S
Pale, cool skin, hypotension, weakness, angina, dizziness or syncope, confusion or
disorientation, and shortness of breath.
Symptomatic Sinus Bradycardia Tx Admin of atropine, or pacemaker therapy. If due to drugs; must be held, discontinued, or dosages
reduced.
Sinus Tachycardia
The conduction pathway is the same as that in sinus rhythm. The discharge rate from the sinus
node increases because of vagal inhibition or sympathetic stimulation. the sinus rate is 101-
200 BPM.
Sinus Tachycardia S/S
Dizziness, dyspnea, and hypotension due to decreased CO. Increased O2 consumption due to increased HR. Angina or an increase in infarction size may accompany this disorder in pts with CAD or AMI
Sinus Tachycardia Tx
The underlying cause determines treatment, eg.) pain management if d/t pain. In stable pts vagal manuevers can be attempted. Beta-adrenergic blockers
Atrial Flutter
An atrial tachydysrhythmia identified by recurring, regular, sawtooth-shaped flutter waves that originate from a single ectopic focus in the right atrium, less commonly, can occur in left atrium.
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