Radiofrequency catheter ablation of atrlal tachycardia due to myocarditis six months after a viper bite


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Abstract

The present report describes a 20-year old man who developed an incessant atrial tachycardia several days after snakebite. Antiarrhythmic treatment was ineffective and six months later radiofrequency ablation of atrial tachycardia was successfully performed. A chronic arrythmia was considered as manifestation of toxic-allergic myocarditis. The possible mechanisms leading to myocarditis are discussed.

About the authors

Andrey V. Ardashev

Federal Scientific and Clinical Center for Specialized Types of Medical Care and Medical Technologies FMBA of Russia

Author for correspondence.
Email: ardashev1970@gmail.com

head Department of X-ray Surgical Diagnostic and Treatment Methods-2, Doctor of Medical Sciences, Professor

Russian Federation, Moscow

Evgeny G. Zhelyakov

Federal Scientific and Clinical Center for Specialized Types of Medical Care and Medical Technologies FMBA of Russia

Email: ardashev1970@gmail.com

Doctor of the Department of X-ray Surgical Methods of Diagnostics and Treatment-2, Candidate of Medical Sciences

Russian Federation, Moscow

Alexey V. Konev

Federal Scientific and Clinical Center for Specialized Types of Medical Care and Medical Technologies FMBA of Russia

Email: ardashev1970@gmail.com

Doctor of the Department of X-ray Surgical Methods of Diagnostics and Treatment-2, Candidate of Medical Sciences

Russian Federation, Moscow

Maxim S. Rybachenko

Federal Scientific and Clinical Center for Specialized Types of Medical Care and Medical Technologies FMBA of Russia

Email: ardashev1970@gmail.com

Doctor of the Department of X-ray Surgical Methods of Diagnostics and Treatment-2, Candidate of Medical Sciences

Russian Federation, Moscow

References

  1. Gupta O.P., Mewar S.H., Kalantri S.P. et al. Reversible atrial fibrillation following snakebite. J Assoc Physicians India 1987;35(7):535-6.
  2. Pahlajani D.B., lya V., Tahiliani R. et al. Sinus node dysfunction following cobra bite. Indian Heart J 1987;39(l):48-9.
  3. Hoffman A., Levi O., Orgad U. et al. Myocarditis following envenoming with Viperae palaestinae in two horses: Toxicon 1993;31:1623-1628.
  4. Rowlands J.B., Mastaglia F.L., Kakalus B.A. et al. Cardiac muscle damage by myotoxins: clinical and pathological aspects of a fatal case of mulga (Pseudechis australis) snakebite. Med J Australia 1969;1:226-230.
  5. Wollberg Z., Bdolah A., Kochva E. Cardiovascular effects mammalian endothelins and snake venom sarafotoxins. In Abraham S., Amitai G., eds: Calcium channal modulators in heart and smooth muscle. Deerfield Beach, FL, VCH, Weinheim, 1990, pp. 283-299.
  6. Benerjee R.N.: Poisonous snakes of India, their venoms, symptomatology and treatment of envenomation. In Ahuja MMS, ed: Progress in clinical medicine in India, New Delhi, Arnold Heineman, 1978, pp. 136-180.

Supplementary files

Supplementary Files
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1. JATS XML
2. Fig. 1. From top to bottom: ECG leads I, II, III and VI, HRA, His (proximal, medial, distal), RVA registration channels.

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3. Fig. 2. From top to bottom: ECG leads I, II, III and VI, HRA, His (proximal, medial, distal), RVA registration channels.

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4. Fig. 3. From top to bottom: I ECG lead, mapping bipolar (ABL d) and unipolar (Uni-) channels.

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Copyright (c) 2021 Ardashev A.V., Zhelyakov E.G., Konev A.V., Rybachenko M.S.

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