Dysrhythmia1 Study guides, Class notes & Summaries

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Dysrhythmia1 Question and anP Wave Represents time for the passage of the electrical impulse through the atrium causing atrial depolarization (contraction). Should be upright. - correct answer 0.06-0.12 Disturbance in conduction within atria PR Interval Measured from beginning of P wave to beginning of QRS complex. Represents time taken for impulse to spread through the atria, AV node and bundle of His, bundle branches, and Purkinje fibers, to a point immediately preceding ventric...

Dysrhythmia1 Question and answers 100% correct 2023/2024Normal Sinus Rhythm - correct answer 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 - correct answer 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 - correct answer Pale, cool skin, hypotension, weak...

DysrhythmDysrhythmias - correct answer Normal PRI - correct answer 0.12-0.20 Normal QRS - correct answer 0.06-0.10 sec Normal QTI - correct answer 0.32-0.42 Types of AV Blocks - correct answer 1st, 2nd, 3rd degree Causes of AV Blocks - correct answer -CAD/ infarction -Infectious/ inflammatory processes -Increased vagal tone -Effects of drugs -Aging Surgery/ valve replacement Tx for AV Blocks - correct answer * Treat ONLY if symptomatic "All People...

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DysrhythmTo determine whether there is a delay in impulse conduction through the ventricles, the nurse will measure the duration of the patient's a. P wave. c. PR interval. b. Q wave. d. QRS complex. - correct answer ANS: D The QRS complex represents ventricular depolarization. The P wave represents the depolarization of the atria. The PR interval represents depolarization of the atria, atrioventricular node, bundle of His, bundle branches, and the Purkinje fibers. The Q wave is the first...

Dysrhythmia1 Question dysrhythmia - correct answer disorder of the formation or conduction (or both) of the electrical impulse within the heart, altering the heart rate, heart rhythm, or both and potentially causing altered blood flow (also referred to as arrhythmia) dysrhythmias can cause - correct answer disturbance in rate, rhythm or both the normal pacemaker of the heart - correct answer SA node if SA node isn't working - correct answer EVERY MYOCARDIAL FIBER HAS CAPABILITY...

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