23 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... filling of bucket (low ... all the time (urinary ... #Causes #workup ... #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... Eric Strong https ... #Diagnosis #Low ... #Classification ... #Causes #Workup
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Eric Strong https ... #Diagnosis #Low ... #Potassium #Table ... #Classification
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... secreting tumor, Primary ... #Diagnosis #Algorithm ... #low #nephrology
Causes of Headache - Differential Diagnosis Algorithm
Primary: Tension, Migraine, Cluster
Extracranial: Medications, Sinusitis, TMJ disorder, Cervicogenic, Glaucoma,
- Differential ... Diagnosis Algorithm ... Primary: Tension ... Hypertension, Stroke ... Pseudotumor Cerebri, Low
Etiologies of Hypoaldosteronism

Hyporeninemic Hypoaldosteronism (Low Renin, Low Aldosterone)
 - Diabetic Nephropathy 
 - NSAIDs
Non-Hyporeninemic Hypoaldosteronism (Normal
Chronic heparin - Primary ... Eric Strong https ... Hypoaldosteronism #Differential ... Aldosterone #Comparison #Table ... #Causes
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential ... Normal or High PTH: Primary ... • Normal or Low ... #phosphate #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... Primary hyperaldo ... #Causes #Workup ... #Nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... #Diagnosis #Algorithm ... #Nephrology #Causes
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Vasopressin-independent - Consider: Primary ... polydipsia, Low ... hyponatremia #diagnosis #differential ... #algorithm #causes ... #nephrology