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Tachycardia: Difference between revisions
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'''Narrow complex tachycardia:''' QRS duration < 120 ms. | '''Narrow complex tachycardia:''' QRS duration < 120 ms. | ||
A narrow complex tachycardia is most likely to be a SVT. However, also a septal VT or His-tachycardia can appear as a narrow complex tachycardia. | A narrow complex tachycardia is most likely to be a SVT. However, also a septal VT or His-tachycardia can appear as a narrow complex tachycardia. | ||
'''Wide complex tachycardia:''' QRS duration > 120 ms. | '''Wide complex tachycardia:''' QRS duration > 120 ms. | ||
A wide complex tachycardia can be due to a SVT with aberration, pre-exited tachycardia (eg antidrome re-entry tachycardia) or VT. | |||
A wide complex tachycardia can be due to a SVT with aberration, pre-exited tachycardia (eg antidrome re-entry tachycardia) or VT. | |||
===Differentiation=== | ===Differentiation=== | ||