Dysrhythmia causes - Answers - MI
- Mg or K imbalances
- hypoxia
- drug toxicity
- hypovolemia
- illegal drug use
- stress
- caffeine
- nicotine
- alcohol
V1 lead placement - Answers right side of sternum, 4th intercostal space
V2 lead placement - Answers left side of sternum, 4th intercostal space
V3 lead placement - Answers between V2 and V4
V4 lead placement - Answers left midclavicular line, 5th intercostal space
V5 lead placement - Answers left anterior axillary line at same level as V4
V6 lead placement - Answers left midaxillary line at same level as V5
ECG strip time length - Answers 3 seconds
ECG big box time length - Answers 0.20 seconds
ECG small box time length - Answers 0.04 seconds
ECG big box voltage - Answers 0.5 mV
Normal ECG HR - Answers - measured by counting QRS complexes
- 60 - 100 bpm
Normal ECG rhythm - Answers - regularity of P waves
, - regularity of QRS complexes
Normal ECG PR interval - Answers 0.12 - 0.20 seconds
Normal ECG QRS interval - Answers 0.04 - 0.12 seconds
Normal ECG ST segment - Answers should be on the isometric line
Normal ECG T wave - Answers - consistent shape and height
- peaks or inversions are not abnormal
Normal Sinus Rhythm (NSR) - Answers
Normal Sinus Bradycardia - Answers
Temporary heart pacing - Answers transcutaneous or transvenous
Permanent heart pacing - Answers implanted
Demand pacing - Answers only fires when HR lower than set threshold
Fixed-rate pacing - Answers fires at a set rate
Permanent pacemaker nursing care - Answers - assess implantation site
- monitor VS
- activity restrictions
Normal Sinus Tachycardia - Answers
Premature Atrial Contraction (PAC) - Answers
Atrial Fibrillation - Answers
Premature Ventricular Complexes - Answers
Bigeminy - Answers alternating between normal and premature complex
Trigeminy - Answers two normal beats followed by one premature complex
Quadrigeminy - Answers three normal beats followed by one premature complex
Ventricular Tachycardia - Answers
Ventricular Fibrillation - Answers
Asystole - Answers