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Post #882 11.4K Nov 1, 2020, 18:07 UTC

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Post #881 10.7K Nov 1, 2020, 18:04 UTC

Post #880 9.63K Nov 1, 2020, 18:04 UTC

#Extra 06 ❤️

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Post #879 10.5K Oct 25, 2020, 15:24 UTC

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Post #878 10.5K Oct 25, 2020, 09:02 UTC

Post #877 10.2K Oct 25, 2020, 09:01 UTC

Post #876 9.23K Oct 25, 2020, 09:01 UTC

#Extra 05 ❤️

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Post #873 9.9K Oct 22, 2020, 15:36 UTC

In antidromic AVRT anterograde conduction occurs via the accessory pathway with retrograde conduction via the AV node.
Stable patients may respond to drug therapy including amiodarone, procainamide or ibutilide, but may require DC cardioversion.
In a haemodynamically unstable patient urgent synchronised DC cardioversion is required.
If in doubt treat as VT !

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Post #872 9.34K Oct 22, 2020, 15:36 UTC

This strip was performed after administration of amiodarone. Short PR and Delta waves confirm the presence of accessory pathway.

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Post #871 8.82K Oct 22, 2020, 15:35 UTC

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Post #870 8.92K Oct 22, 2020, 15:35 UTC

The correct answer is “C”
Antidromic AVRT

There is a regular, broad complex tachycardia at ~150 bpm; this rhythm is distinguished from VT by the presence of followings:

• Delta waves (best seen in leads D2, aVF, V3 and V4)
• Retrograde p waves with an RP interval>70ms (best seen in inferior leads D2, V4 and V5)
• electrical alternans
• ST elevation in aVR and ST depressions in most leads (not a specific finding)