Author, Donkey, Bureaucrats, Administrators
53,803
edits
Changes
no edit summary
* Severe congestion results in increased size and weight of organs.
* Severe congestion results in increased size and weight of organs.
** Ultimately, [[Oedema - Pathology|oedema]] occurs.
** Ultimately, [[Oedema|oedema]] occurs.
* Encapsulated organs (e.g. [[Spleen - Anatomy & Physiology|spleen]], [[Liver - Anatomy & Physiology|liver]]):
* Encapsulated organs (e.g. [[Spleen - Anatomy & Physiology|spleen]], [[Liver - Anatomy & Physiology|liver]]):
** Become swollen.
** Become swollen.
** Are frequently darker red or purple.
** Are frequently darker red or purple.
** Ooze dark (deoxygenated) blood on cut surface.
** Ooze dark (deoxygenated) blood on cut surface.
* [[Oedema - Pathology#Composition of Oedema Fluid|Oedema fluid]] may be seen (e.g. lung) if the condition is prolonged.
* [[Oedema#Composition of Oedema Fluid|Oedema fluid]] may be seen (e.g. lung) if the condition is prolonged.
** E.g. in the lung.
** E.g. in the lung.
* Accumulation of deoxygenated blood often results in cyanosis of tissues.
* Accumulation of deoxygenated blood often results in cyanosis of tissues.
* Severe congestion can induce:
* Severe congestion can induce:
** [[Oedema - Pathology|'''Oedema''']] '''formation'''
** [[Oedema|'''Oedema''']] '''formation'''
*** E.g. in the lung, associated with cardiac mitral valvular disease.
*** E.g. in the lung, associated with cardiac mitral valvular disease.
** '''Stagnation hypoxia and capillary damage '''
** '''Stagnation hypoxia and capillary damage '''
** Minor capillary [[Haemorrhage - Pathology|haemorrhage]] is induced by hypoxia.
** Minor capillary [[Haemorrhage|haemorrhage]] is induced by hypoxia.
*** Is often followed by [[Pigmentation and Calcification - Pathology#Haemosiderin|haemosiderin]] deposition.
*** Is often followed by [[Pigmentation - Pathology#Haemosiderin|haemosiderin]] deposition.
** '''[[Degenerations and Infiltrations - Pathology#Cellular Fatty Change|Fatty change]]'''
** '''[[Cellular Fatty Change|Fatty change]]'''
*** Degenerative change, characterised by [[Degenerations and Infiltrations - Pathology#Cellular Fatty Change|fatty change]], occurs when whole parenchymatous organs are affected.
*** Degenerative change, characterised by [[Cellular Fatty Change|fatty change]], occurs when whole parenchymatous organs are affected.
**** E.g. the [[Liver - Anatomy & Physiology|liver]] and kidneys.
**** E.g. the [[Liver - Anatomy & Physiology|liver]] and kidneys.
* Degeneration of tissue cells in the area affected.
* Degeneration of tissue cells in the area affected.
** Varying numbers of inflammatory cells around these degenerate foci.
** Varying numbers of inflammatory cells around these degenerate foci.
*** [[Oedema - Pathology|Oedema]] and leaked plasma protein deposits.
*** [[Oedema|Oedema]] and leaked plasma protein deposits.
===Sequelae===
===Sequelae===
[[Category:Circulatory Disorders - Pathology]]
[[Category:Circulatory Disorders - Pathology]]
[[Category:Cardiology Section]]