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Related Concept Videos

Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
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Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
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Imaging Studies VII: Vascular Imaging01:19

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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Blood and Nerve Supply to the Kidney01:18

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The kidneys are vital organs responsible for filtering and cleaning blood, removing waste products, and regulating electrolyte levels. To perform these essential functions, they require a constant and robust blood supply.
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The kidneys are a pair of bean-shaped organs in the human body that play a critical role in maintaining overall health. They filter out waste products from the blood, regulate blood pressure, maintain electrolyte balance, and stimulate the production of red blood cells.
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Updated: Mar 23, 2026

Multilevel Microdissection and Functional-Structural Profiling of Human Renal Arterial Branches
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Primary renal artery dissection

S Y Lok1, A Chalvardjian, A A Common

  • 1Department of Diagnostic Imaging, St. Michael's Hospital, Toronto, Ont.

Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes
|February 1, 1995
PubMed
Summary
This summary is machine-generated.

Primary renal artery dissection is an uncommon cause of kidney infarction, often mistaken for renal colic in healthy men. Early diagnosis via angiography is crucial for potential vascular repair, possibly avoiding kidney removal.

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Area of Science:

  • Nephrology
  • Vascular Surgery
  • Radiology

Background:

  • Primary renal artery dissection (PRAD) is a rare condition.
  • PRAD can present atypically, mimicking other renal pathologies.
  • It primarily affects otherwise healthy middle-aged men.

Observation:

  • This report details a typical case of PRAD.
  • The patient presented with symptoms suggestive of renal colic.
  • The condition can lead to renal infarction.

Findings:

  • Angiography is the gold standard for diagnosing PRAD.
  • Early diagnosis is critical for management decisions.
  • Vascular repair may be a viable alternative to nephrectomy.

Implications:

  • Recognizing PRAD as a differential diagnosis for renal colic is important.
  • Timely diagnosis can preserve renal function.
  • Surgical or endovascular repair may be feasible, avoiding nephrectomy.