23 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Diabetic Nephropathy Renin ... Normal, Renin High ... hypoplasia Aldosterone high ... Diagnosis #algorithm #nephrology ... #potassium #differential
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... renovascular HT, Renin-secreting ... #Hypokalemia #Differential ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Syndrome • HTN, High ... Renovascular HTN, Renin ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... wasting from other causes ... urinary losses: • High ... diagnosis #Algorithm #differential ... #potassium #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Alkalosis - Differential ... Renin, High Aldosterone ... MetabolicAlkalosis #NonGap #Nephrology ... #Differential #
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - Differential ... SAH, tumor • Posterior ... no neurological cause ... : • Trauma • Medication ... #diagnosis #neurology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential ... renovascular HT, Renin-secreting ... #hypokalemia #differential ... #nephrology #potassium
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Diuretics (late) • High ... hyperaldosteronism • High ... Diagnosis #Algorithm #Nephrology ... #Causes
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... mmol creatinine) High ... hypokalemia #urine #potassium ... #differential # ... algorithm #diagnosis #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Medications 2. ... #diagnosis #causes ... #potassium #high ... #nephrology