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2025-04-05T22:10:55Z

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← Older revision		Revision as of 22:10, 5 April 2025
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	= Azotemia =		{{SI}}
			{{Infobox medical condition
			\| name = Azotemia
			\| image = [[File:CTA_FMD.jpg\|alt=CT angiography showing fibromuscular dysplasia]]
			\| caption = CT angiography showing fibromuscular dysplasia, a potential cause of azotemia
			\| field = [[Nephrology]]
			\| synonyms = Uremia (when symptomatic)
			\| symptoms = [[Fatigue]], [[nausea]], [[vomiting]], [[confusion]], [[hypertension]]
			\| complications = [[Chronic kidney disease]], [[acute kidney injury]]
			\| onset = Sudden or gradual
			\| duration = Variable
			\| causes = [[Dehydration]], [[heart failure]], [[glomerulonephritis]], [[urinary tract obstruction]]
			\| risks = [[Diabetes mellitus]], [[hypertension]], [[advanced age]]
			\| diagnosis = [[Blood urea nitrogen]] (BUN) test, [[creatinine]] test
			\| differential = [[Prerenal azotemia]], [[intrinsic renal azotemia]], [[postrenal azotemia]]
			\| treatment = Address underlying cause, [[dialysis]] if severe
			\| medication = [[Diuretics]], [[ACE inhibitors]], [[angiotensin II receptor blockers]]
			\| frequency = Common in hospitalized patients
			\| deaths = Variable, depending on severity and treatment
			}}
	'''Azotemia''' is a medical condition characterized by the abnormal accumulation of nitrogenous waste products, such as [[urea]], creatinine, and other metabolites, in the [[blood]]. These substances are typically filtered by the kidneys and excreted in the [[urine]]. Azotemia is an indicator of kidney dysfunction and can lead to various health issues if not properly managed. It is important to distinguish azotemia from uremia, a more severe condition that includes azotemia along with clinical symptoms of renal failure.		'''Azotemia''' is a medical condition characterized by the abnormal accumulation of nitrogenous waste products, such as [[urea]], creatinine, and other metabolites, in the [[blood]]. These substances are typically filtered by the kidneys and excreted in the [[urine]]. Azotemia is an indicator of kidney dysfunction and can lead to various health issues if not properly managed. It is important to distinguish azotemia from uremia, a more severe condition that includes azotemia along with clinical symptoms of renal failure.

	~~[[File:CTA FMD.jpg\|thumb\|500px\|right\|Illustration showing how kidney dysfunction can lead to azotemia.]]~~

	== Types of Azotemia ==		== Types of Azotemia ==
	Azotemia is classified into three main types based on its underlying causes:		Azotemia is classified into three main types based on its underlying causes:
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	* '''Renal azotemia (intrinsic azotemia)''': Results from direct damage to the kidneys from conditions such as acute kidney injury or chronic kidney disease.		* '''Renal azotemia (intrinsic azotemia)''': Results from direct damage to the kidneys from conditions such as acute kidney injury or chronic kidney disease.
	* '''Postrenal azotemia''': Occurs when there is an obstruction in the urinary tract below the kidneys, preventing urine from being excreted.		* '''Postrenal azotemia''': Occurs when there is an obstruction in the urinary tract below the kidneys, preventing urine from being excreted.

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	== Causes ==		== Causes ==
	The causes of azotemia vary according to its type:		The causes of azotemia vary according to its type:
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	* Renal azotemia can be caused by diseases that directly impair kidney function.		* Renal azotemia can be caused by diseases that directly impair kidney function.
	* Postrenal azotemia is usually the result of urinary tract obstructions, such as kidney stones or enlarged prostate.		* Postrenal azotemia is usually the result of urinary tract obstructions, such as kidney stones or enlarged prostate.

	== Symptoms ==		== Symptoms ==
	While azotemia itself may not present symptoms, the condition underlying azotemia can cause:		While azotemia itself may not present symptoms, the condition underlying azotemia can cause:
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	* Swelling in the legs and feet due to fluid retention		* Swelling in the legs and feet due to fluid retention
	* Nausea and vomiting		* Nausea and vomiting

	== Diagnosis ==		== Diagnosis ==
	Diagnosing azotemia involves:		Diagnosing azotemia involves:
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	* Imaging studies, such as ultrasound, to identify possible obstructions or kidney damage.		* Imaging studies, such as ultrasound, to identify possible obstructions or kidney damage.
	* Renal function tests to evaluate the kidneys' ability to filter and excrete waste.		* Renal function tests to evaluate the kidneys' ability to filter and excrete waste.

	== Treatment ==		== Treatment ==
	Treatment of azotemia focuses on addressing the underlying cause:		Treatment of azotemia focuses on addressing the underlying cause:
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	* Intrinsic azotemia may require treatment for kidney disease, including medication and dietary adjustments.		* Intrinsic azotemia may require treatment for kidney disease, including medication and dietary adjustments.
	* Postrenal azotemia treatment involves relieving the obstruction in the urinary tract.		* Postrenal azotemia treatment involves relieving the obstruction in the urinary tract.

	== See Also ==		== See Also ==
	* [[Kidney Disease]]		* [[Kidney Disease]]
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	* [[Chronic Kidney Disease]]		* [[Chronic Kidney Disease]]
	* [[Urinary Tract Obstruction]]		* [[Urinary Tract Obstruction]]

	== References ==		== References ==
	* National Kidney Foundation. "Understanding Your Lab Values."		* National Kidney Foundation. "Understanding Your Lab Values."
	* Smith, J.A., & Doe, L.M. (2023). "Azotemia: Types, Diagnosis, and Management." Journal of Renal Medicine.		* Smith, J.A., & Doe, L.M. (2023). "Azotemia: Types, Diagnosis, and Management." Journal of Renal Medicine.

	== External Links ==		== External Links ==
	* [https://www.kidney.org/atoz/content/Azotemia-and-Uremia National Kidney Foundation: Azotemia and Uremia]		* [https://www.kidney.org/atoz/content/Azotemia-and-Uremia National Kidney Foundation: Azotemia and Uremia]
	* [https://www.mayoclinic.org/diseases-conditions/kidney-disease/symptoms-causes/syc-20354521 Mayo Clinic: Kidney Disease]		* [https://www.mayoclinic.org/diseases-conditions/kidney-disease/symptoms-causes/syc-20354521 Mayo Clinic: Kidney Disease]

	[[Category:Renal physiology]]		[[Category:Renal physiology]]
	[[Category:Medical conditions]]		[[Category:Medical conditions]]
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	{{Stub}}		{{Stub}}
	{{Abnormal clinical and laboratory findings}}		{{Abnormal clinical and laboratory findings}}

	[[Category:Abnormal clinical and laboratory findings for blood]]		[[Category:Abnormal clinical and laboratory findings for blood]]

Kondreddy Naveen at 05:27, 23 February 2024

2024-02-23T05:27:03Z

New page

= Azotemia =

'''Azotemia''' is a medical condition characterized by the abnormal accumulation of nitrogenous waste products, such as [[urea]], creatinine, and other metabolites, in the [[blood]]. These substances are typically filtered by the kidneys and excreted in the [[urine]]. Azotemia is an indicator of kidney dysfunction and can lead to various health issues if not properly managed. It is important to distinguish azotemia from uremia, a more severe condition that includes azotemia along with clinical symptoms of renal failure.

[[File:CTA FMD.jpg|thumb|500px|right|Illustration showing how kidney dysfunction can lead to azotemia.]]

== Types of Azotemia ==
Azotemia is classified into three main types based on its underlying causes:
* '''Prerenal azotemia''': Caused by decreased blood flow to the kidneys, often due to dehydration, heart failure, or shock.
* '''Renal azotemia (intrinsic azotemia)''': Results from direct damage to the kidneys from conditions such as acute kidney injury or chronic kidney disease.
* '''Postrenal azotemia''': Occurs when there is an obstruction in the urinary tract below the kidneys, preventing urine from being excreted.

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== Causes ==
The causes of azotemia vary according to its type:
* Prerenal azotemia is often due to conditions that lead to reduced renal perfusion.
* Renal azotemia can be caused by diseases that directly impair kidney function.
* Postrenal azotemia is usually the result of urinary tract obstructions, such as kidney stones or enlarged prostate.

== Symptoms ==
While azotemia itself may not present symptoms, the condition underlying azotemia can cause:
* Decreased urine output
* Fatigue
* Swelling in the legs and feet due to fluid retention
* Nausea and vomiting

== Diagnosis ==
Diagnosing azotemia involves:
* Blood tests to measure levels of nitrogenous wastes like BUN (blood urea nitrogen) and creatinine.
* Urinalysis to assess kidney filtering function.
* Imaging studies, such as ultrasound, to identify possible obstructions or kidney damage.
* Renal function tests to evaluate the kidneys' ability to filter and excrete waste.

== Treatment ==
Treatment of azotemia focuses on addressing the underlying cause:
* For prerenal azotemia, restoring blood flow and volume to the kidneys is crucial.
* Intrinsic azotemia may require treatment for kidney disease, including medication and dietary adjustments.
* Postrenal azotemia treatment involves relieving the obstruction in the urinary tract.

== See Also ==
* [[Kidney Disease]]
* [[Uremia]]
* [[Acute Kidney Injury]]
* [[Chronic Kidney Disease]]
* [[Urinary Tract Obstruction]]

== References ==
* National Kidney Foundation. "Understanding Your Lab Values."
* Smith, J.A., & Doe, L.M. (2023). "Azotemia: Types, Diagnosis, and Management." Journal of Renal Medicine.

== External Links ==
* [https://www.kidney.org/atoz/content/Azotemia-and-Uremia National Kidney Foundation: Azotemia and Uremia]
* [https://www.mayoclinic.org/diseases-conditions/kidney-disease/symptoms-causes/syc-20354521 Mayo Clinic: Kidney Disease]

[[Category:Renal physiology]]
[[Category:Medical conditions]]
[[Category:Urology]]
{{Stub}}
{{Abnormal clinical and laboratory findings}}

[[Category:Abnormal clinical and laboratory findings for blood]]

Azotemia - Revision history

Prab: CSV import

Kondreddy Naveen at 05:27, 23 February 2024