52 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Normal Acid-Base: Low ... • HTN, High Aldosterone ... Renin secreting tumor ... Diagnosis #Algorithm #causes ... #nephrology
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology ... of Tumor Lysis Syndrome ... -> Uric Acid (low ... -> Allantoin (High ... Urate Nephropathy (low
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Diuretics (late) • High ... hyperaldosteronism • High ... Renin-secreting tumor ... Diagnosis #Algorithm #Nephrology ... #Causes
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypertensive: • High ... aldosteronism • High ... Renin-secreting tumor ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Renin-Secreting Tumor ... Low Renin, High ... Licorice • Liddle's Syndrome ... Diagnosis #Algorithm #Causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
, NGT suction, Low ... Diuretics (late) • High ... hyperaldosteronism • High ... Renin-secreting tumor ... Diagnosis #Algorithm #nephrology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Diagnosis Algorithm High ... Prolactin + Normal/ Low ... • Bronchogenic Tumor ... Diagnosis #Algorithm #Endocrinology ... #Causes
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Diagnosis Algorithm - Low ... and High PTH LOW ... Hypomagnesemia HIGH ... Tumor lysis syndrome ... Algorithm #PTH #endocrinology
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Hyperthecosis • Tumor ... • Cushing's Syndrome ... Tumor Low Serum ... Diagnosis #Algorithm #endocrinology ... #causes
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
disease - TSH low ... in some cases, T3 ... increased uptake in tumor ... Euthyroid sick syndrome ... differential #diagnosis #endocrinology