18 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... High Aldosterone: Malignant ... • HTN Absent: Loop ... and thiazide diuretics ... #causes #potassium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... abnormalities - Hypercalcemia ... - Hypokalemia ... Differential #Diagnosis #Low ... Classification #Causes
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Remote use of loop ... or thiazide diuretics ... - Normal/low ... Gitelman syndrome, Hypomagnesemia ... #causes #urinary
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Urine Mg > 10g • Loop ... DiureticsHypercalcemia-PTH ... #Magnesium #Low
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Clinicians should also look ... Renal K loss • Hypomagnesemia-induced ... Post-hypercapnia • Diuretics ... Hyperaldosteronism: malignant
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... tubular transport • Diuretics ... (loop/thiazide) ... • Hypomagnesemia ... Aldosterone • Malignant
Treatment algorithm for malignancy-associated hypercalcemia.
Hypercalcemia
 - Renal Failure → Dialysis with low Ca++ bath
Aggressive IV hydration
Treatment algorithm ... Dialysis with low ... Volume Overload → Loop ... diuretic IV Bisphosphonate ... Calcitonin Refractory Cases
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Diagnosis Algorithm ... Low intake ... Medication • Hypomagnesemia ... • Osmotic diuresis ... #Causes #Classification
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... wasting from other causes ... ↑ Aldosterone: Malignant ... consumption • Low ... Alkalosis: Emesis, Diuretics
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... Remote use of loop ... alkalosis • Normal/low ... Gitelman syndrome, Hypomagnesemia ... the indicated causes