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diagnosis management differential nephrology algorithm causes high hypokalemia tls oncology tumor classification low medications rhabdomyolysis tumorlysis uricacid acute acutekidneyinjury aki
Causes of Hypokalemia - Differential Diagnosis Algorithm Increased Loss - Increased GI Loss - Increased Urinary
Causes of Hypokalemia ... Transcellular Shift ... - Refeeding Syndrome ... Algorithm #causes #potassium ... #low #pathophysiology
Hypokalemia - Differential Diagnosis Algorithm Transcellular Shift: • Alkalosis • ↑ beta-2 adrenergic simulation • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift ... • Refeeding syndrome ... Transcellular shifts ... nephrology #low #potassium
Hyperkalemia Treatment Options Stabilize cardiac membrane: • IV Calcium (peaks 5-10 minutes) Decrease potassium concentration: • IV Fluids Shift
Hyperkalemia Treatment ... minutes) Decrease potassium ... • IV Fluids Shift ... potassium intracellularly ... LouLectures #Hyperkalemia
Hyperkalemia - Differential Diagnosis Framework PseudoHyperkalemia: • Lab error • Traumatic venipuncture • Hemolysis, thrombocytosis, leukocytosis •
• Recent IV potassium ... Intracellular Shift ... release due to cell lysis ... reaction - Tumor lysis ... syndrome - Rhabdomyolysis
Pathophysiology of Tumor Lysis Syndrome (TLS) Tumor Cell Lysis -> Release of DNA • Purines -> Hypoxanthine /
Pathophysiology ... of Tumor Lysis Syndrome ... TLS) Tumor Cell Lysis ... Hypocalcemia • Hyperkalemia ... #TLS #Pathophysiology
Hyperkalemia - Differential Diagnosis Framework PseudoHyperkalemia: • Lab error • Traumatic venipuncture • Hemolysis, thrombocytosis, leukocytosis •
• Recent IV potassium ... Intracellular Shift ... release due to cell lysis ... reaction - Tumor lysis ... syndrome - Rhabdomyolysis
Mechanisms of Drug-Induced Hyperkalemia • Direct renin inhibitor (Aliskiren) • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... • Increased EC shift ... MunerMohamed1 #hyperkalemia ... differential #diagnosis #pathophysiology ... #pharmacology #potassium
Classification of Tumor Lysis Syndrome (TLS) and Treatment of Metabolic Abnormalities of TLS Laboratory TLS: • Uric
Classification of Tumor Lysis ... Syndrome (TLS) ... 8.0 mg/dL • Potassium ... hydroxide • Hyperkalemia ... #TumorLysis #Syndrome
Leukostasis vs Tumor Lysis Syndrome Leukostasis: • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
: • Pathophysiology ... organ damage • Treatment ... Syndrome: • Pathophysiology ... hydration - Hyperkalemia ... treatment (no calcium
Tumor Lysis Syndrome - Workup and Management Initial workup: BMP, Serum uric acid, LDH, Urine output, Consider
Tumor Lysis Syndrome ... ≥ 8 mg/dL • Potassium ... of the above Treatment ... #TLS #Tumor #Lysis ... #Syndrome #diagnosis
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