Arrhythmogenic Right Ventricular Cardiomyopathy: Difference between revisions

Jump to navigation Jump to search
No edit summary
Line 66: Line 66:
| colspan="2" | I. Global or regional dysfunction and structural alterations<sup>&lowast;</sup>
| colspan="2" | I. Global or regional dysfunction and structural alterations<sup>&lowast;</sup>
|-
|-
| colspan="2" | Major
| colspan="2" style="padding-left:12px" | Major
|-
|-
| valign="top" |
| valign="top" style="padding-left:24px" |
* Severe dilatation and reduction of RV ejection fraction with no (or only mild) LV impairment
* Severe dilatation and reduction of RV ejection fraction with no (or only mild) LV impairment
* Localized RV aneurysms (akinetic or dyskinetic areas with diastolic bulging)
* Localized RV aneurysms (akinetic or dyskinetic areas with diastolic bulging)
Line 87: Line 87:
* Regional RV akinesia, dyskinesia, or aneurysm
* Regional RV akinesia, dyskinesia, or aneurysm
|-
|-
| colspan="2" | Major
| colspan="2" style="padding-left:12px"  | Minor
|-
|-
| valign="top" |
| valign="top" style="padding-left:24px"  |
* Mild global RV dilatation and/or ejection fraction reduction with normal LV
* Mild global RV dilatation and/or ejection fraction reduction with normal LV
* Mild segmental dilatation of the RV
* Mild segmental dilatation of the RV
Line 108: Line 108:
| colspan="2" | II. Tissue characterization of wall
| colspan="2" | II. Tissue characterization of wall
|-
|-
| colspan="2" | Major
| colspan="2" style="padding-left:12px" | Major
|-
|-
| valign="top" |
| valign="top" style="padding-left:24px" |
* Fibrofatty replacement of myocardium on endomyocardial biopsy
* Fibrofatty replacement of myocardium on endomyocardial biopsy
|
|
* Residual myocytes &lt;60% by morphometric analysis (or &lt;50% if estimated), with fibrous replacement of the RV free wall myocardium in &ge;1 sample, with or without fatty replacement of tissue on endomyocardial biopsy
* Residual myocytes &lt;60% by morphometric analysis (or &lt;50% if estimated), with fibrous replacement of the RV free wall myocardium in &ge;1 sample, with or without fatty replacement of tissue on endomyocardial biopsy
|-
|-
| colspan="2" | Minor
| colspan="2" style="padding-left:12px" | Minor
|-
|-
|
|
| valign="top" |
| valign="top" |
* Residual myocytes 60% to 75% by morphometric analysis (or 50% to 65% if estimated), with fibrous replacement of the RV free wall myocardium in &ge;1 sample, with or without fatty replacement of tissue on endomyocardial biopsy  
* Residual myocytes 60% to 75% by morphometric analysis (or 50% to 65% if estimated), with fibrous replacement of the RV free wall myocardium in &ge;1 sample, with or without fatty replacement of tissue on endomyocardial biopsy
|-
| colspan="2" | III. Repolarization abnormalities
|-
| colspan="2" style="padding-left:12px" | Major
|-
| &nbsp;
|
* Inverted T waves in right precordial leads (V<sub>1</sub>, V<sub>2</sub>, and V<sub>3</sub>) or beyond in individuals &gt;14 years of age (in the absence of complete right bundle-branch block QRS &ge;120 ms)
|-
| colspan="2" style="padding-left:12px" | Minor
|-
| valign="top" style="padding-left:24px" |
* Inverted T waves in right precordial leads (V<sub>2</sub> and V<sub>3</sub>) (people age &gt;12 years, in absence of right bundle-branch block)
|
* Inverted T waves in leads V<sub>1</sub> and V<sub>2</sub> in individuals &gt;14 years of age (in the absence of complete right bundle-branch block) or in V<sub>4</sub>, V<sub>5</sub>, or V<sub>6</sub>
* Inverted T waves in leads V<sub>1</sub>, V<sub>2</sub>, V<sub>3</sub>, and V<sub>4</sub> in individuals &gt;14 years of age in the presence of complete right bundle-branch block
|}
|}


Navigation menu