48,454
edits
Difference between revisions of "Cardiac arrhythmias"
Jump to navigation
Jump to search
→General
m (→Microscopic) |
|||
| (5 intermediate revisions by the same user not shown) | |||
| Line 11: | Line 11: | ||
*[[Electrocution]]. | *[[Electrocution]]. | ||
*Hyperthermia. | *Hyperthermia. | ||
====Tumour==== | |||
*[[Cystic tumour of the atrioventricular nodal region]]. | |||
==Microscopic== | ==Microscopic== | ||
Features - associated with ventricular fibrillation:<ref name=pmid15837088>{{Cite journal | last1 = Baroldi | first1 = G. | last2 = Silver | first2 = MD. | last3 = Parolini | first3 = M. | last4 = Pomara | first4 = C. | last5 = Turillazzi | first5 = E. | last6 = Fineschi | first6 = V. | title = Myofiberbreak-up: a marker of ventricular fibrillation in sudden cardiac death. | journal = Int J Cardiol | volume = 100 | issue = 3 | pages = 435-41 | month = Apr | year = 2005 | doi = 10.1016/j.ijcard.2004.10.007 | PMID = 15837088 }}</ref> | Features - associated with ventricular fibrillation:<ref name=pmid15837088>{{Cite journal | last1 = Baroldi | first1 = G. | last2 = Silver | first2 = MD. | last3 = Parolini | first3 = M. | last4 = Pomara | first4 = C. | last5 = Turillazzi | first5 = E. | last6 = Fineschi | first6 = V. | title = Myofiberbreak-up: a marker of ventricular fibrillation in sudden cardiac death. | journal = Int J Cardiol | volume = 100 | issue = 3 | pages = 435-41 | month = Apr | year = 2005 | doi = 10.1016/j.ijcard.2004.10.007 | PMID = 15837088 }}</ref> | ||
* | *Myofiberbreak-up (MFB) - '''key feature'''. | ||
**Fractures of the | **Fractures of the myofibres perpendicular to the long axis. | ||
**Associated with square nuclei. | **Associated with square nuclei. | ||
Notes: | Notes: | ||
*In cases with malignant arrhythmias, as shown by cardiac monitor at the time of death, MFB is seen in multiple sections.<ref name=pmid15837088/> | *In cases with malignant arrhythmias, as shown by cardiac monitor at the time of death, MFB is seen in multiple sections.<ref name=pmid15837088/> | ||
*MFB seems to be predominantly mid-myocardial/epicardial, with relative sparing of the subendocardium.{{fact}} | *MFB may be seen in noncardiac deaths.<ref name=pmid15837088/> | ||
<!-- MFB seems to be predominantly mid-myocardial/epicardial, with relative sparing of the subendocardium.{{fact}} --> | |||
===Images=== | |||
<gallery> | |||
Image: Cardiac myofiberbreak-up -- intermed mag.jpg | MFB - intermed. mag. (WC) | |||
Image: Cardiac myofiberbreak-up -- high mag.jpg | MFB - high mag. (WC) | |||
Image: Cardiac myofiberbreak-up -- very high mag.jpg | MFB - very high mag. (WC) | |||
Image: Cardiac myofiberbreak-up -- alt - very high mag.jpg | MFB - very high mag. (WC) | |||
</gallery> | |||
==References== | ==References== | ||