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Related Concept Videos

Endocarditis II: Clinical Features of Infective Endocarditis01:25

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Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
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Cardiomyopathy II: Dilated Cardiomyopathy01:30

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Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
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Coronary Artery Disease III: Clinical Manifestations01:30

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Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
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Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

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The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
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Myocarditis II: Clinical Features and Diagnostic Tests01:27

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Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
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Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Parasite Induced Genetically Driven Autoimmune Chagas Heart Disease in the Chicken Model
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Chagas Heart Disease: An Update.

Lindsey H Malik1, Gagan D Singh1, Ezra A Amsterdam1

  • 1Division of Cardiovascular Medicine, Department of Internal Medicine, University of California (Davis) Medical Center, Sacramento.

The American Journal of Medicine
|June 9, 2015
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Summary

Chagas disease (American trypanosomiasis) caused by Trypanosoma cruzi is spreading globally due to migration. Limited medical awareness is increasing its public health concern in the US.

Keywords:
ChagasHeart disease

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Area of Science:

  • Infectious Diseases
  • Cardiology
  • Parasitology

Background:

  • Chagas disease, caused by Trypanosoma cruzi, is a significant cause of cardiac disease globally.
  • Historically endemic to South and Central America, Chagas disease is now spreading worldwide due to population migration.
  • An estimated 6-7 million people are infected globally, with a notable increase in the US.

Purpose of the Study:

  • To highlight the growing public health concern of Chagas disease in the US.
  • To underscore the impact of migration on the global spread of American trypanosomiasis.
  • To address the limited awareness of Chagas disease within the medical community.

Main Methods:

  • Analysis of migration patterns of individuals from Trypanosoma cruzi-endemic countries.
  • Review of epidemiological data on Chagas disease prevalence.
  • Assessment of medical community awareness regarding American trypanosomiasis.

Main Results:

  • The US has seen a surge in Chagas disease cases due to immigration.
  • Preliminary estimates place the US seventh in the Western Hemisphere for Trypanosoma cruzi infections.
  • Lack of medical awareness poses a significant public health challenge.

Conclusions:

  • Chagas disease is an emerging public health issue in the US, driven by migration.
  • Increased awareness and diagnostic capabilities are crucial for managing the growing number of cases.
  • The global distribution of Trypanosoma cruzi necessitates a broader public health approach.