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Myocarditis I: Introduction

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Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...

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Sudden death in tuberculous myocarditis.

Gayathri Amonkar¹, Asha Rupani, Vinaya Shah

¹Department of Pathology, T N Medical College and B Y L Nair Ch Hospital, Mumbai Central, Mumbai, Maharashtra, India.

Cardiovascular Pathology : the Official Journal of the Society for Cardiovascular Pathology

|April 12, 2008

Summary

Tuberculous myocarditis, a rare cause of sudden death, was identified in a 65-year-old woman. Autopsy revealed unusual liver granulomas without lung involvement, highlighting atypical presentations of this cardiac condition.

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Area of Science:

Cardiology
Pathology
Infectious Diseases

Background:

Tuberculous myocarditis is an infrequent cause of sudden cardiac death.
Diagnosis often relies on identifying Mycobacterium tuberculosis in cardiac tissue.

Observation:

A 65-year-old female with diabetic foot presented with sudden death.
The patient expired two days after hospital admission.

Findings:

Autopsy revealed tuberculous myocarditis with granulomatous inflammation.
Granulomas were exclusively found in the liver.
No pulmonary or mediastinal lymph node involvement was observed.

Implications:

This case highlights an atypical presentation of tuberculous myocarditis.
Unusual organ involvement (liver) without typical pulmonary/lymphatic findings challenges diagnostic assumptions.
Further research into rare manifestations of tuberculous myocarditis is warranted.