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Anatomical Positions

Anatomical Positions

In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...

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Summary

This summary is machine-generated.

Radiofrequency ablation successfully treated Wolff-Parkinson-White syndrome in a patient with situs inversus totalis. Mirroring ECG leads and fluoroscopy aided accessory pathway ablation in this rare condition.

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Area of Science:

Cardiology
Electrophysiology
Medical Imaging

Background:

Situs inversus totalis is a rare congenital condition where major visceral organs are mirrored.
Wolff-Parkinson-White syndrome involves an accessory pathway (AP) causing supraventricular tachycardia.
Radiofrequency ablation is a standard treatment for accessory pathways.

Observation:

A 30-year-old man with situs inversus totalis presented with recurrent orthodromic reciprocal tachycardia.
The patient underwent successful radiofrequency ablation of an accessory pathway in the lateral mitral atrioventricular ring.
Ablation was performed via a patent foramen ovale using specialized fluoroscopic views and mirror-reversed ECG leads.

Findings:

Successful radiofrequency ablation of an accessory pathway in a patient with complete situs inversus.
The use of mirror reversal for ECG leads and fluoroscopy facilitated accurate localization and ablation of the accessory pathway.
Accessory pathways in situs inversus patients with dextrocardia appear to favor the mitral annulus, similar to the general population.

Implications:

Radiofrequency ablation is a feasible and safe therapeutic option for accessory pathways in patients with situs inversus totalis.
Modified electrocardiogram lead configurations and imaging techniques can overcome challenges in ablating arrhythmias in situs inversus.
This case expands the limited literature on interventional electrophysiology in patients with complex congenital anomalies.