Restrictive cardiomyopathy: Difference between revisions
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Revision as of 16:42, 7 November 2019
| https://https://www.youtube.com/watch?v=JONXrVH4jQU%7C350}} |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Synonyms and keywords: Infiltrative cardiomyopathy; RCM; stiff heart; stiffening of the heart; heart stiffening; stiffened heart
Overview
Historical Perspective
Classification
Pathophysiology
Causes
Differentiating Xyz from Other Diseases
Epidemiology and Demographics
Risk Factors
Screening
Natural History, Complications, and Prognosis
Diagnosis
Diagnostic Study of Choice
History and Symptoms
Physical Examination
Laboratory Findings
Electrocardiogram
X-ray
Echocardiography and Ultrasound
CT scan
MRI
Other Imaging Findings
Other Diagnostic Studies
Treatment
Medical Therapy
Interventions
Surgery
Primary Prevention
Secondary Prevention
References
Overview
Restrictive cardiomyopathy is the least common cardiomyopathy. It is called this because it restricts the heart from stretching and filling with blood properly. Rhythmicity and contractility of the heart may be normal, but the stiff walls of the heart chambers (atria and ventricles) keep them from adequately filling. So blood flow is reduced, and blood that would normally enter the heart is backed up in the circulatory system. In time, restrictive cardiomyopathy patients develop heart failure.
Causes
Life Threatening Causes
Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated. There are no known life threatening causes of restrictive cardiomyopathy that may result in death within 24 hours if not treated.
Common Causes
Causes by Organ System
Causes in Alphabetical Order
Diagnosis
Electrocardiogram
Shown below is an example of restrictive cardiomyopathy with low voltage and flipped anterior T waves.
