Lymphocytic Myocarditis with Increased Left Ventricular Thickness: A Rare Presentation Mimicking Cardiac Amyloidosis

25 March 2024 : Case report China (mainland)

Unusual clinical course, Mistake in diagnosis

Xueting Duan^1ABCDEF, Liangzhen Qu^1AEFG, Han Chen^2ABEF*

DOI: 10.12659/AJCR.942760

Am J Case Rep 2024; 25:e942760

Introduction Case Report Discussion Conclusions References

Related articles Order reprints Share article Share by email

View HTML version

Timeline

Time	Event
May 2023	First admission to local hospital for recurrent chest tightness
	Holter monitoring showed atrial flutter
	Treated with piperacillin/tazobactam, doxofylline, and dexamethasone
May 2023–June 2023	Electrocardiogram showed atrial fibrillation and ST/T-wave changes
May 2023–June 2023	Bedside echocardiogram demonstrated bi-atrial enlargement with a normal cardiac function
July 2023	Echocardiogram first showed increased left ventricular thickness and left ventricular diastolic dysfunction
July 2023	A diagnosis of lymphocytic myocarditis was established based on the findings of myocardial biopsyManaged with diuretics, methylprednisolone, rivaroxaban, and amiodarone
August 2023	Patient remained fit with no symptoms.
August 2023	However, echocardiogram showed interventricular septal hypertrophy

Back to the Article