Haemorrhage - Revision history

Bara: /* Effects of Haemorrhage */

2013-10-15T15:38:29Z

Effects of Haemorrhage

Bara: /* Purpura */

2013-09-09T15:11:40Z

Purpura

Bara: /* Types of Haemorrhage */

2013-09-09T15:11:02Z

Types of Haemorrhage

Bara: Text replace - "[[Haemorrhage - Pathology" to "[[Haemorrhage"

2011-02-14T14:55:26Z

Text replace - "[[Haemorrhage - Pathology" to "[[Haemorrhage"

Bara: moved Haemorrhage - Pathology to Haemorrhage

2011-02-14T14:52:29Z

moved Haemorrhage - Pathology to Haemorrhage

Bara at 14:52, 14 February 2011

2011-02-14T14:52:04Z

Suzannah.stacey at 09:43, 29 September 2010

2010-09-29T09:43:42Z

Suzannah.stacey at 09:42, 29 September 2010

2010-09-29T09:42:34Z

Suzannah.stacey at 19:18, 20 September 2010

2010-09-20T19:18:09Z

Bara: Text replace - "[[Alimentary - Anatomy & Physiology|" to "[[Alimentary System Overview - Anatomy & Physiology|"

2010-08-31T15:28:15Z

Text replace - "[[Alimentary - Anatomy & Physiology|" to "[[Alimentary System Overview - Anatomy & Physiology|"

← Older revision		Revision as of 15:38, 15 October 2013
Line 134:		Line 134:

	[[Category:Circulatory Disorders - Pathology]]		[[Category:Circulatory Disorders - Pathology]]
		+	[[Category:Cardiology Section]]

@@ Line 46: / Line 46: @@
 ===Purpura===
-* [[Purpura Hamorrhagica|Purpura]] is a clinical syndrome.
+* [[Purpura haemorrhagica|Purpura]] is a clinical syndrome.
 * Multiple small spontaneous haemorrhages develop in tissues (e.g. skin, mucosae, serosal surfaces and joints).
 * A mixture of petechiae and ecchymoses.

@@ Line 46: / Line 46: @@
 ===Purpura===
-* Purpura is a clinical syndrome.
+* [[Purpura Hamorrhagica|Purpura]] is a clinical syndrome.
 * Multiple small spontaneous haemorrhages develop in tissues (e.g. skin, mucosae, serosal surfaces and joints).
 * A mixture of petechiae and ecchymoses.

@@ Line 11: / Line 11: @@
 ** Neoplastic disease.
 * "Haemorrhagic diathesis" describes a predisposition to bleeding, either spontaneous or associated with trifling mechanical damage.
-** Often manifests as [[Haemorrhage - Pathology#Purpura|purpuric disease]].
+** Often manifests as [[Haemorrhage#Purpura|purpuric disease]].
-** Haemorrhagic diatheses and [[Haemorrhage - Pathology#Purpura|purpura]] may be a feature of a number of diseases of different aetiology (poisoning, septicaemia or neoplastic disease).
+** Haemorrhagic diatheses and [[Haemorrhage#Purpura|purpura]] may be a feature of a number of diseases of different aetiology (poisoning, septicaemia or neoplastic disease).
 ==Types of Haemorrhage==
 * Two main types of haemorrhage are recognised and are considered in more detail below:
-** '''[[Haemorrhage - Pathology#Haemorrhage by Rhexis|Rhexis]]'''
+** '''[[Haemorrhage#Haemorrhage by Rhexis|Rhexis]]'''
 *** Actual physical rupture of a vessel wall
-** '''[[Haemorrhage - Pathology#Haemorrhage by Diapedesis|Diapedesis]]'''
+** '''[[Haemorrhage#Haemorrhage by Diapedesis|Diapedesis]]'''
 *** The escape of blood from vessels.
 *** It may be difficult to detect a disruption to the vessel wall.

@@ Line 1: / Line 1: @@
 ==Introduction==
 * Haemorrhage is the escape of blood from within the cardiovascular system.
@@ Line 132: / Line 131: @@
 ** Loss of 30-40 per cent in a few minutes is often fatal.
 ** Loss of over 50% over a 24 period may be tolerated in the dog.

← Older revision	Revision as of 14:52, 14 February 2011
(No difference)

@@ Line 16: / Line 16: @@
 ==Types of Haemorrhage==
 * Two main types of haemorrhage are recognised and are considered in more detail below:
 ** '''[[Haemorrhage - Pathology#Haemorrhage by Rhexis|Rhexis]]'''
@@ Line 25: / Line 24: @@
 ===Haematoma===
 * A large blood clot within the tissues.
 ** A localised collection of blood confined by surrounding tissues resulting in a modular formation.
@@ Line 33: / Line 31: @@
 ===In Body Cavities===
 * Haemothorax, Haemopericardium and Haemoperitoneum.
 ** Blood escapes into the respective body cavities.
 ===Petechiae===
 * These are minute - foci are 1-2mm in diameter.
 * Of capillary origin.
@@ Line 44: / Line 40: @@
 ===Ecchymoses===
 * Of capillary origin. .
 * Foci are 3-23mm in diameter.
@@ Line 52: / Line 47: @@
 ===Purpura===
 * Purpura is a clinical syndrome.
 * Multiple small spontaneous haemorrhages develop in tissues (e.g. skin, mucosae, serosal surfaces and joints).
@@ Line 58: / Line 52: @@
 ==Haemorrhage by Rhexis==
 * This is of venular or arteriolar (or larger vessel) origin.
 ** Results in major bleeding.
@@ Line 69: / Line 62: @@
 ==Haemorrhage by Diapedesis==
 ===Septicaemia===
 * Causes large numbers of petechiae and ecchymoses.
 ===Toxaemia and Poisoning===
 * Causes petechiae and ecchymoses.
 ** These haemorrhages are probably due to direct damage to the vessel walls.
 ===Purpura haemorrhagica===
 * Pupura haemorrhagica is a condition that occurs in horses after an infection.
 ** Particularly following [[Respiratory Bacterial Infections - Pathology#Strangles|Strangles]].
@@ Line 86: / Line 75: @@
 ===Haemophilia===
 * Failure of the normal clotting of the blood.
 ** Due to absence of one of the clotting factors.
@@ Line 93: / Line 81: @@
 ===Dicoumeral poisoning===
 * Dicoumeral is an antagonist to Vitamin K.
 ** Vitamin K is needed by the liver to synthesise prothrombin and various clotting factors.
@@ Line 102: / Line 89: @@
 ==Gross Appearance of Haemorrhage==
 * The gross appearance of haemorrhage can vary depending on the tissue in which it occurs.
 ===Epistaxis===
 * Epistaxis is a nose bleed.
 * The haemorrhage may originate anywhere in the respiratory system.
@@ Line 113: / Line 98: @@
 ===Gastric Haemorrhage===
 * Gastric secretion soon turns the blood a dark brown.
 * When vomited up it is called Haematomesis.
@@ Line 119: / Line 103: @@
 ===Dysentery===
 * Occurs when the bleeding is low down the [[Alimentary System Overview - Anatomy & Physiology|alimentary tract]].
 * The blood is passed in the faeces relatively unchanged.
 ===Haematuria===
 * Blood is present in the urine.
 ** Imparts a red colour to it.
@@ Line 132: / Line 114: @@
 ===Bruising===
 * Brusing is the result of haemorrhage.
 * Appears red for 48 hours and then begins to turn yellow.
@@ Line 138: / Line 119: @@
 ==Effects of Haemorrhage==
 ===Local===
 * Haemorrhage may result in a diffuse mass of red blood cells and fibrin in loose connective tissues and in organs.
 ** E.g. in the cutaneous connective tissues, the [[Spleen - Anatomy & Physiology|spleen]] and the gut wall.
@@ Line 148: / Line 127: @@
 ===Systematic===
 * The systematic effects of haemorrhage are usually associated with uncontrolled blood loss.
 ** I.e. from a major artery associated with trauma.

@@ Line 2: / Line 2: @@
 {{toplink
-|linkpage =General Pathology
+|linkpage =:Category:WikiPath
 |linktext =General Pathology
 |maplink = General Pathology (Content Map)
@@ Line 9: / Line 9: @@
 |subtext1=CIRCULATORY DISORDERS
 }}
 ==Introduction==