Anuria is a symptom of acute renal failure (ANV). In the initial phase, ANV usually progresses without specific symptoms. In manifest ANV, the following forms can be distinguished: Oliguric course: <500 ml urine output/day. Non-oliguric course: > 500 ml urine production/day. In the polyuric phase, there is massive urine production. Other symptoms occur depending on … Anuria and Oliguria: Symptoms, Complaints, Signs
Medical history (history of illness) represents an important component in the diagnosis of anuria. Family history Social anamnesis Current anamnesis/systemic anamnesis (somatic and psychological complaints). What complaints have you noticed? How long have these changes existed? How often do you need to urinate each day? When did you last urinate? Do you pass only small … Anuria and Oliguria: Medical History
Congenital malformations, deformities, and chromosomal abnormalities (Q00-Q99). Malformations of the genitourinary system Blood, blood-forming organs – immune system (D50-D90). Hemolysis – dissolution of erythrocytes (red blood cells). Hemolytic uremic syndrome (HUS) – triad of microangiopathic hemolytic anemia (MAHA; form of anemia in which erythrocytes (red blood cells) are destroyed), thrombocytopenia (abnormal reduction in platelets/platelets), and … Anuria and Oliguria: Or something else? Differential Diagnosis
A comprehensive clinical examination is the basis for selecting further diagnostic steps: General physical examination – including blood pressure, pulse, body weight, height; further: Inspection (viewing). Skin and mucous membranes [anemia (anemia), edema (water retention), pruritus (itching), yellowish skin color] Abdomen (abdomen) Shape of the abdomen? Skin color? Skin texture? Efflorescences (skin changes)? Pulsations? Bowel … Anuria and Oliguria: Examination
2nd order laboratory parameters – depending on the results of the history, physical examination and obligatory laboratory parameters – for differential diagnostic clarification. Small blood count Differential blood count Inflammatory parameters – CRP (C-reactive protein) or ESR (erythrocyte sedimentation rate). Urine status (rapid test for: pH, leukocytes, nitrite, protein, glucose, ketone, urobilinogen, bilirubin, blood), sediment, … Anuria and Oliguria: Test and Diagnosis
Optional medical device diagnostics – depending on the results of the history, physical examination, and obligatory laboratory parameters – for differential diagnostic clarification. Renal sonography (ultrasound examination of the kidneys) including the urinary tract. Electrocardiogram (ECG; recording of the electrical activity of the heart muscle) – for basic diagnostics. Computed tomography (CT) of the abdomen … Anuria and Oliguria: Diagnostic Tests
