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NUSA 203: Exam 4 Questions and Answers Grade A+

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NUSA 203: Exam 4 Questions and Answers Grade A+

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NUSA 203: Exam 4 Questions and
Answers Grade A+
Dysrhythmia causes


✓ - MI

✓ - Mg or K imbalances

✓ - hypoxia

✓ - drug toxicity

✓ - hypovolemia

✓ - illegal drug use

✓ - stress

✓ - caffeine

✓ - nicotine

✓ - alcohol




V1 lead placement


✓ right side of sternum, 4th intercostal space




V2 lead placement




Master01 | October, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

✓ left side of sternum, 4th intercostal space




V3 lead placement


✓ between V2 and V4




V4 lead placement


✓ left midclavicular line, 5th intercostal space




V5 lead placement


✓ left anterior axillary line at same level as V4




V6 lead placement


✓ left midaxillary line at same level as V5




ECG strip time length


✓ 3 seconds




ECG big box time length


✓ 0.20 seconds




Master01 | October, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

ECG small box time length


✓ 0.04 seconds




ECG big box voltage


✓ 0.5 mV




Normal ECG HR


✓ - measured by counting QRS complexes

✓ - 60 - 100 bpm




Normal ECG rhythm


✓ - regularity of P waves

✓ - regularity of QRS complexes




Normal ECG PR interval


✓ 0.12 - 0.20 seconds




Normal ECG QRS interval


✓ 0.04 - 0.12 seconds




Master01 | October, 2024/2025 | Latest update

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