Transudate - Revision history

Michuang0720 at 20:55, 25 June 2016

2016-06-25T20:55:30Z

Bara at 13:03, 20 July 2012

2012-07-20T13:03:30Z

Bara: /* Treatment */

2011-08-15T16:51:33Z

Treatment

Bara at 16:48, 15 August 2011

2011-08-15T16:48:39Z

Bara: Text replace - "Category:To_Do_-_James" to ""

2010-10-09T22:34:36Z

Text replace - "Category:To_Do_-_James" to ""

Suzannah.stacey at 16:03, 9 October 2010

2010-10-09T16:03:49Z

Bara at 15:13, 9 September 2010

2010-09-09T15:13:59Z

Bara at 12:30, 29 July 2010

2010-07-29T12:30:16Z

Bara: /* Treatment */

2010-07-27T10:35:13Z

Treatment

Bara at 11:26, 21 July 2010

2010-07-21T11:26:54Z

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 {{Learning
 |flashcards = [[Cytology Q&A 13]]
 }}

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-==Description==
+{{OpenPagesTop}}
 Transudates are a type of [[:Category:Effusions|effusion]] that has a low cellularity and a low protein content.  Transudates occur due to imbalances in the [[Blood Pressure Physiology#Capillary Fluid Shift Mechanism |'''Starling forces''']], of which the two principal examples are hydrostatic pressure and plasma oncotic pressure (or colloid osmotic pressure).  The following causes of transudate effusions are therefore recognised:
 *'''Reduced plasma oncotic pressure''' may occur if plasma proteins are lost.  Albumin contributes 75% of the total oncotic pressure so [[Hypoalbuminaemia|'''hypoalbuminaemia''']] is the major cause of transudate effusions.
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 |flashcards = [[Cytology Q&A 13]]
 }}
 {{review}}
 [[Category:Effusions]]
 [[Category:Expert_Review]]

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 Inappropriate activation of the RAAS is best treated with the diuretic spironolactone (a potassium sparing diuretic) because this prevents aldosterone from acting on Na/K pumps in the distal convoluted tubules and collecting ducts of the renal nephrons.  Frusemide (a loop diuretic) may be used later if aldosterone does not produce satisfactory results.  The underlying cause of the increased hydrostatic pressure should also be addressed.
 {{review}}
 [[Category:Effusions]]
 [[Category:Expert_Review]]

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 ==Description==
 Transudates are a type of [[:Category:Effusions|effusion]] that has a low cellularity and a low protein content.  Transudates occur due to imbalances in the [[Blood Pressure Physiology#Capillary Fluid Shift Mechanism |'''Starling forces''']], of which the two principal examples are hydrostatic pressure and plasma oncotic pressure (or colloid osmotic pressure).  The following causes of transudate effusions are therefore recognised:
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 [[Category:Effusions]]
 [[Category:Expert_Review]]

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 [[Category:Effusions]]
-[[Category:To_Do_-_James]]
 [[Category:Expert_Review]]

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 ==Description==
-Transudates are a type of [[:Category:Effusions|effusion]] that has a low cellularity and a low protein content.  Transudates occur due to imbalances in the [[Control of Blood Pressure & Blood Flow - Anatomy & Physiology#Capillary Fluid Shift Mechanism |'''Starling forces''']], of which the two principal examples are hydrostatic pressure and plasma oncotic pressure (or colloid osmotic pressure).  The following causes of transudate effusions are therefore recognised:
+Transudates are a type of [[:Category:Effusions|effusion]] that has a low cellularity and a low protein content.  Transudates occur due to imbalances in the [[Blood Pressure & Blood Flow Control - Anatomy & Physiology#Capillary Fluid Shift Mechanism |'''Starling forces''']], of which the two principal examples are hydrostatic pressure and plasma oncotic pressure (or colloid osmotic pressure).  The following causes of transudate effusions are therefore recognised:
 *'''Reduced plasma oncotic pressure''' may occur if plasma proteins are lost.  Albumin contributes 75% of the total oncotic pressure so [[Hypoalbuminaemia|'''hypoalbuminaemia''']] is the major cause of transudate effusions.
 *'''Increased hydrostatic pressure''' may occur with inappropriate activation of the renin-angiotensin-aldosterone system (RAAS), as in congestive heart failure and portal hypertension.  Both diseases commonly result in high-volume ascites, although this is more often composed of a [[Modified Transudate|modified transudate]].

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 In general, it is not advisable to drain effusions unless they are causing clinical signs as the procedures are invasive and drainage of large volumes of fluid will further deplete body protein reserves.  Neverthless, pleural and pericardial effusions should be drained to stabilise an animal with dyspnoea or signs of heart failure.
-The management of hypoalbuminaemia is discussed [[Hypoalbuminaemia|here]].
+The [[Hypoalbuminaemia|management of hypoalbuminaemia is discussed here]].
 Inappropriate activation of the RAAS is best treated with the diuretic spironolactone (a potassium sparing diuretic) because this prevents aldosterone from acting on Na/K pumps in the distal convoluted tubules and collecting ducts of the renal nephrons.  Frusemide (a loop diuretic) may be used later if aldosterone does not produce satisfactory results.  The underlying cause of the increased hydrostatic pressure should also be addressed.

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-{{unfinished}}
+{{review}}
 ==Description==
-Transudates are a type of [[:Category:Effusions|effusion]] that has a low cellularity and a low protein content.  Transudates occur due to imbalances in the '''Starling forces''', of which the two principal examples are hydrostatic pressure and plasma oncotic pressure (or colloid osmotic pressure).  The following causes of transudate effusions are therefore recognised:
+Transudates are a type of [[:Category:Effusions|effusion]] that has a low cellularity and a low protein content.  Transudates occur due to imbalances in the [[Control of Blood Pressure & Blood Flow - Anatomy & Physiology#Capillary Fluid Shift Mechanism |'''Starling forces''']], of which the two principal examples are hydrostatic pressure and plasma oncotic pressure (or colloid osmotic pressure).  The following causes of transudate effusions are therefore recognised:
 *'''Reduced plasma oncotic pressure''' may occur if plasma proteins are lost.  Albumin contributes 75% of the total oncotic pressure so [[Hypoalbuminaemia|'''hypoalbuminaemia''']] is the major cause of transudate effusions.
 *'''Increased hydrostatic pressure''' may occur with inappropriate activation of the renin-angiotensin-aldosterone system (RAAS), as in congestive heart failure and portal hypertension.  Both diseases commonly result in high-volume ascites, although this is more often composed of a [[Modified Transudate|modified transudate]].
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 '''Hydrothorax''' will cause coughing, tachypnoea and dyspnoea if severe.  Dullness will be evident on thoracic percussion if a pleural effusion has developed and the heart sounds will be muffled on auscultation.
-'''Pericardial effusion''' may be sufficiently severe to cause cardiac tamponade and right-sided heart failure.  The heart sounds will be muffled on auscultation and there may be hepatojugular reflux, a jugular pulse or signs of left-sided forward failure.  In horses and cattle, it is much more likely that '''ventral oedema''' will be observed in animals with liver failure (causing hypoalbuminaemia) or congestive heart failure.
+'''Pericardial effusion''' may be sufficiently severe to cause cardiac tamponade and right-sided heart failure.  The heart sounds will be muffled on auscultation and there may be hepatojugular reflux, a jugular pulse or signs of left-sided forward failure.  In horses and cattle, it is much more likely that '''ventral oedema''' will be observed in animals with liver failure (causing hypoalbuminaemia) or congestive [[Heart Failure|heart failure]].
 ===Diagnostic Imaging===
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 [[Category:To_Do_-_James]]
 [[Category:Horse]][[Category:Cat]][[Category:Dog]][[Category:Cattle]]
-[[Category:To_Do_-_Review]]
+[[Category:Expert_Review]]