30 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
algorithm Decreased renal ... • Acute renal ... failure • Chronic renal ... #algorithm #nephrology ... #potassium #differential
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... Medications Renal ... Losses Non-renal ... #nephrology #low ... #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
gastrointestinal K loss • Renal ... hypokalemia • Renal ... syndrome, Congenital adrenal ... #causes #nephrology ... #potassium
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
Hypokalemia • Renal ... potassium wasting ... Hypomagnesemia #Signs ... #Symptoms #Diagnosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... Extra-renal Losses ... loss (Diarrhea) Renal ... #causes #potassium ... #low #nephrology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Lung cancer • Renal ... vomiting • Fatigue Signs ... Cortisol Deficiency: Signs ... Reduced libido • Signs ... #signs #symptoms
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
urinary sediment, renal ... clinical context and signs ... HIV serology, renal ... eosinophiluria, renal ... #Diagnosis #nephrology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Diagnosis Poor ... Mineralocorticoid excess - Renal ... #Diagnosis #Low ... #Potassium #Table
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... resistance Impaired Renal ... deficiency • Renal ... Type IV RTA • Renal ... #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
hematuria • Signs ... thrombosis • Renal ... TURP/Biopsy Renal ... #urology #nephrology ... #renal #urine #