*Differentials* Flashcards
Relative Polycythemia
Dehydration
Fluid Shifts
Redistribution: Excitement or Exercise
Absolute Polycythemia
Chronic Hypoxia
Renal Cysts
Tumors
Primary Polycythemia
Myeloproliferative disorder
Pure Transudate
Hypoalbuminemia
Modified Transudate
Impaired Blood or Lymph Flow
Exudates
Inflammation
Triglyceride in the fluid
Chylus Effusion
Round Discrete Cell tumors
Lymphoma Plasma cell tumors Mast cell tumors Histiocytomas Transmissible Venereal tumors Malignant histiocytosis
Mesenchymal tumors
Lipomas Hemangiopericytomas Hemangiosarcomas Osteosarcomas Chondrosarcomas Fibrosarcoma Neurofibrosarcoma Peripheral nerve sheaath tumor Poorly differentiated sarcoma
Epithelial tumors
Basal cell tumors
Squamous Cell carcinomas
Thyroid carcinoma
Hypoalbuminemia
Inflammation Liver Failure Chronic Liver Disease Reduction in liver mass : Portosystemic shunt Blood loss: Hemorrhage or GI Parasites Protein Losing Enteropathy Protein losing nephropathy Effusions or vasculitis
Proteinuria Hypoalbuminemia Hypercoagulable Hypercholesterolemia Ascites
Nephrotic Sydrome
Hypoglycemia
Hypocholesterolemia
Decreased Urea
Hyperglobulinemia
Hepatic Insufficiency
Hypercholesterolemia
Protein losing nephropathy
Hypoglobulinemia
Hypocholesterolemia
+/- Hypomagnesium
Protein losing enteropathy
Hyperalbuminemia
Dehydration
Hypoglobulinemia
Severe combined immunodeficiency syndrome (SCIDS) Hemorrhage Protein Losing Enteropathy Failure of passive transfer in neonates Chronic Liver Disease
Hyperglobulinemia
Dehydration
Inflammation
Neoplasia: Multiple Myeloma or B cell Lymphoma
Hypoalbuminemia
Hyperglobulinemia
Polyclonal gammopathy: Inflammation
Increased Gamma Globulins
Monoclonal gammopathy: Neoplasia
Panhypoproteinemia
Blood loss
Protein losing enteropathy
Panhyperproteinemia
Dehydration
Hypofibrinogenemia
Liver Failure
DIC
Hyperfibrinogenemia
Inflammation Renal Disease (Cats and Cattle)
Increased BUN
High Protein Diet
Upper GI Bleed
Increased Catabolism
Decreased BUN (Pre-Renal)
Low Protein Diet
Portosystemic Shunt
Liver insufficiency
Protein losing enteropathy
Decreased BUN (Renal)
Diuresis
Increased Creatinine
High Muscle Mass
Decreased GFR
Renal insufficiency
Decreased Creatinine
Not significant
Increased SDMA
Renal Tubular Disease
Isosthenuria
Renal Failure
Medullary Washout
Diabetes Mellitus
Diuresis
Polyuria
Renal Failure Pyelonephritis Diuresis Medullary Washout Diabetes Hyperadrenocorticism Pyometra
Increased BUN Increased CREA Increased SpGr Hyperphosphatemia Hypermagnesemia
Dehydration
Shock
Cardiac Insufficiency
Increased CREA
Increased Muscle Mass
Dams with dysfunctional placentas prevent normal clearance of fetal CREA
Increased BUN
Increased CREA
Decreased SpGr
Hyperphosphatemia
Renal DAMAGE!! Infectious Toxic Hypoxia Neoplasia Congenital
Increased BUN
Increased CREA
Decreased SpGr
NOT ALWAYS RENAL DAMAGE!! Diabetes Insipidus Endocrine: Cortisol, glucose Fanconi syndrome Diuresis Medullary washout
Increased BUN
Increased CREA
Variable SpGr
Obstruction of urinary outflow:
Urolithiasis
Uroabdomen
Trauma
Pre-Renal Proteinuria
Paraproteinuria
Hemoglobinuria
Myoglobinuria
Post-colostral proteinuria
Glomerular Proteinuria
Hypoalbuminemia
Tubular Proteinuria
Normal Albumin
Loss of low molecular weight proteins
Post Renal Proteinuria
Hemorrhage/Inflammatory
Trauma
Neoplasia
Hypercalcemia with signs of Renal Disease
Mineralization of the renal tubules caused by hypercalcemia
Hypercalcemia
Polyuria
Low concentrating ability
Impairs urine concentrating ability by affecting ADH receptors
Hypocalcemia
Decreased in Vitamin D
Hyperphosphatemia and renal disease
Renal failure due to mineralization of soft tissues
Normalkalemia
Chronic Renal Failure
Hypokalemia
Decreased intake
Hypokalemia nephropathy in cats
Hyperkalemia
Acute Renal Failure
Hyperkalemia
Hyponatremia
Increased urea in the blood
Peritoneal creatinine 2x serum creatinine
Uroabdomen
Good BCS Anorexia Vomiting Diarrhea Halitosis Oliguric or anuric Neuro: Depressed or seizures Azotemia Hyperkalemia Acidemia Proteinuria Cellular Casts in the urine Variable SpGr
Acute Renal Failure
Geriatric - frequently in cats Poor BCS Anorexia vomiting Diarrhea Halitosis Polyuric Neuro: Depressed Hypertension Azotemia Isosthenuria
Chronic Renal Failure
GFR less than 20-25% Nonregenerative anemia Dehydration Azotemia Hyperphosphatemia Metabolic Acidosis Normal to Hypokalemia Polyuria Isosthenuria
Chronic Renal Failure
GFR less than 5% of normal Nonregenerative anemia Marked dehydration Marked Azotemia Hyperphosphatemia Metabolic Acidosis Hyperkalemia Isosthenuria Oliguria to anuria
Chronic Renal Failure
Proteinuria
Hypoproteinemia: Hypoalbuminemia and Normalglobulinemia
Azotemia
Isosthenuria
Glomerulonephrits
Hyperglycemic glucosuria
Diabetes Mellitus Hyperadrenocorticism Drugs Postprandial Acute pancreatitis
Normalglycemic glucosuria
Transient stress
Reversible tubular damage: Drugs, Hypoxia, infection, toxins
Urethral obstruction
Bilirubinuria
Liver disease
Bile duct obstruction
Hemolysis
Ketonuria
Negative energy balance
DKA
Insulinoma
Hemoglobinuria
Intravascular hemolysis
Hematuria
Trauma Infection Inflammation Infarction calculi neoplasia coagulopathy
Myoglobinuria
Increased CK and AST
Myocyte damage
Alkaline urine
low protein diet
UTI
Respiratory or Metabolic Alkalosis
Alkalinizing drugs
Acidic urine
High protein diets Respiratory and Metabolic Acidoses Hypochloremic metabolic alkalosis + severe dehydration Hypokalemia Furosemide
Pre-Renal Proteinuria
Fever
Hypertension
Seizures
Renal Proteinuria
Glomerulonephritis
Renal damage
Post-Renal Proteinuria
Hemorrhage
Infection
Transitional epithelial cells in urine
Hyperplasia with inflammation
Transitional cell tumors
Caudate cells in urine
Pyelonephritis
Renal Cells in urine
Renal tubular injury: Infectious, toxic, and ischemic injury
RBCs in the urine
Hemorrhage
Inflammation
WBCs in the urine
Inflammation: infection and noninfectious