Arrhythmogenic right ventricular dysplasia cardiac MRI

Revision as of 19:56, 26 September 2012 by C Michael Gibson (talk | contribs)
Jump to navigation Jump to search

Arrhythmogenic right ventricular dysplasia Microchapters

Home

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Arrhythmogenic right ventricular dysplasia from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Criteria

History and Symptoms

Physical Examination

Laboratory Findings

X - Ray

ECG

Cardiac MRI

Echocardiogram

Other Imaging Findings

Endomyocardial biopsy

Atuopsy

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Future or Investigational Therapies

Arrhythmogenic right ventricular dysplasia cardiac MRI On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

Images

American Roentgen Ray Society Images of Arrhythmogenic right ventricular dysplasia cardiac MRI

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

National Guidelines Clearinghouse

NICE Guidance

FDA on Arrhythmogenic right ventricular dysplasia cardiac MRI

CDC on Arrhythmogenic right ventricular dysplasia cardiac MRI

Arrhythmogenic right ventricular dysplasia cardiac MRI in the news

Blogs onArrhythmogenic right ventricular dysplasia cardiac MRI

Directions to Hospitals Treating Arrhythmogenic right ventricular dysplasia

Risk calculators and risk factors for Arrhythmogenic right ventricular dysplasia cardiac MRI

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Among all the imaging modalities, MRI may be the most useful establishing the diagnosis of ARVD. Among patients with ARVD, fatty infiltration of the RV free wall can be visible on cardiac MRI. Fat has increased intensity in T1-weighted images. However, it may be difficult to differentiate intramyocardial fat and the epicardial fat that is commonly seen adjacent to the normal heart. Also, the sub-tricuspid region may be difficult to distinguish from the atrioventricular sulcus, which is rich in fat.

Cardiac MRI can visualize the extreme thinning and akinesis of the RV free wall. However, the normal RV free wall may be about 3 mm thick, making the test less sensitive.

MRI Examples

Shown below is the MRI of a patient with ARVD. This is a long axis view of the right ventricle. Note the transmural diffuse bright signal in the RV free wall on spin echo T1 (a) due to massive myocardial atrophy with fatty replacement (b).

References

Template:WH Template:WS