Difference between revisions of "ECG-VENTRICULAR ARRHYTHMIA (TORSADES DE POINTES)"
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1. Torsades De Pointes (turning or twisting of the points) is a dangerous, polymorphic, VT | ===== [[Summary Article|'''SUMMARY''']] ===== | ||
1. Torsades De Pointes (turning or twisting of the points) is a dangerous, polymorphic, VT assoc. with prolonged QT-interval. | |||
<br/>2. Characterised by paroxysms of VT of changing morphology where the QRS complexes rotate around the ECG. | |||
<br/>3. Often terminates spontaneously but may proceed to VF. | |||
<br/>4. In a cardiac arrest situation treat as pulseless VT/VF, however regardless of the degree of compromise, treatment should be aimed at identifying & treating the cause of the shortening QT-interval. | |||
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<br/><i>5. Causes: shortening of the QT-interval may be caused by over-drive pacing, isoprenaline infusion and by ceasing anti-arrhythmic drugs which prolong QT-interval. </i> | |||
<br/>6. Management: IV magnesium sulphate. | |||
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<br/>[[Image:paste-904a50c2afa64f0fb9f060125536b5f7e92202b3.jpg]] | |||
[[Category:Electrocardiogram]] | |||
[[Category: | [[Category:Advanced Life Support]] |
Latest revision as of 11:31, 1 January 2023
SUMMARY
1. Torsades De Pointes (turning or twisting of the points) is a dangerous, polymorphic, VT assoc. with prolonged QT-interval.
2. Characterised by paroxysms of VT of changing morphology where the QRS complexes rotate around the ECG.
3. Often terminates spontaneously but may proceed to VF.
4. In a cardiac arrest situation treat as pulseless VT/VF, however regardless of the degree of compromise, treatment should be aimed at identifying & treating the cause of the shortening QT-interval.
5. Causes: shortening of the QT-interval may be caused by over-drive pacing, isoprenaline infusion and by ceasing anti-arrhythmic drugs which prolong QT-interval.
6. Management: IV magnesium sulphate.