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ECG analysis Exam Questions and Correct Answers 100% Verified Graded A+

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ECG analysis Exam Questions and Correct Answers 100% Verified Graded A+

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ECG analysis Exam Questions and Correct Answers 100% Verified Graded A+

Each box is how many seconds? - 0.2




A typical strip covers how many seconds - 6 secs




Isoelectric line refers to - 0 (baseline)




P wave that is longer than how many seconds is prolonged - 0.20




Peaked p waves indicate - Right atrial hypertrophy




Inverted p waves indicate - SA node is not pacemaker




Missing p waves indicate - Junctional or AV block




Normal duration of PR interval - 0.12-0.20 seconds




Normal duration of QRS complex - 0.06-0.10 seconds




Prolonged QRS means - Slow conduction (BBB, Vt, PVC)

, ST elevation indicates - Myocardial injury




ST depression indicates - Myocardial ischemia




ST segment expected findings - Should be on isoelectric line




Peaked T waves indicate - Hyperkalemia




Notched T waves = - Pericarditis




Inverted T waves = - Ischemia




What time period of a QT interval requires interventions - >0.44 secs




Prolonged QT interval causes (3) - Electrolyte imbalances, bradycardia, antiarrhythmic
meds



Shortened QT interval causes (3) - Tachycardia, hypercalcemia, dig toxicity




Atrial rate is measured by what in a ekg strip - P to p wave




Ventricular rate is measured by what in ekg strip - QRS to QR; determines HR

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