127 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... starts by measuring urinary ... either secondary or primary ... Gitelman's syndrome • Primary ... algorithm #causes #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... out, causes of hypokalemia ... filling of bucket (low ... all the time (urinary ... Causes #workup #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Normal Acid-Base: Low ... secreting tumor, Primary ... @priti899 #Hypokalemia ... #nephrology
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
Diagnostic Approach to Hyperkalemia ... Tubulointerstitial diseases - Urinary ... High Renin - Primary ... Ketoconazole Low ... Beta-Blockers #Hyperkalemia
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
mEq/g suggests urinary ... ↑ Aldosterone: Primary ... consumption • Low ... differential #potassium #nephrology ... #low
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
-> Uric Acid (low ... urinary excretion ... Allantoin (High urinary ... Urate Nephropathy (low ... • Hyperkalemia
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... • G-CSF • Hypokalemic ... vomiting) • Low ... Diagnosis #Algorithm #nephrology ... #low #potassium
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Hypertensive: • High Al, Low ... R - Primary aldosteronism ... Gitelman's syndrome #Hypokalemia ... Diagnosis #Algorithm #nephrology
Increased Urination - Differential Diagnosis Framework - Increased Volume / Frequency
 • Increased osmotic load (Increased
urine (usually low ... urine osm): Primary ... /Inflammation: Urinary ... Interstitial cystitis, Urge ... Differential #Diagnosis #Urinary
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
EABV) - Consider: Hypovolemia ... Vasopressin-independent - Consider: Primary ... polydipsia, Low ... algorithm #causes #nephrology