16 results
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
acid, Liddle's Syndrome ... R - Cushing's syndrome ... Diuretics, Bartter's syndrome ... , Gitelman's syndrome ... #nephrology #causes
Tumor Lysis Syndrome
An acute, life-threatening condition that appears within 7 days of starting cytotoxic therapies in
Tumor Lysis Syndrome ... 6L/day) • For hyperkalemia ... wandering_er #Tumor #Lysis ... #Syndrome #TLS ... #oncology #management
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Syndrome Leukostasis ... hyperviscosity syndrome ... Syndrome: • Pathophysiology ... hydration - Hyperkalemia ... #Syndrome #TLS
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
Hyperviscosity Syndrome ... of breath • Neurologic ... Superior Vena Cava Syndrome ... EMERGENCIES: Tumor Lysis ... Syndrome: • Azotemia
Tumor Lysis Syndrome (TLS) Pathophysiology
Culprits: ALL, Burkitt, SCLC
Cells all die at once = ↑Phos, ↓Ca, ↑K,
Tumor Lysis Syndrome ... (TLS) Pathophysiology ... #Syndrome #TLS ... #Pathophysiology ... #oncology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Aldosterone: Cushing syndrome ... 17alpha-hydroxylase deficiency, Syndrome ... excess, Liddle syndrome ... deficiency, Bartter syndrome ... , Gitelman syndrome
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome ... Pathophysiology ... Gitelman Syndrome ... H+ secretion → Hypokalemia ... dr_missyhanna #Gitelman #Syndrome
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• NSAIDs • ACE ... release due to cell lysis ... reaction - Tumor lysis ... syndrome - Rhabdomyolysis ... potassium #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• NSAIDs • ACE ... release due to cell lysis ... reaction - Tumor lysis ... syndrome - Rhabdomyolysis ... potassium #high #nephrology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
rapid onset of symptoms ... develop leukostasis syndrome ... & DIC • Tumor lysis ... syndrome: Develops ... Leukemia #Hematology #Oncology