12 results
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
symptoms (HA, nausea ... cardiac, liver, renal ... #EM #IM #Nephro ... #Differential #Algorithm ... #Ddxof
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... Gl tract loss (Diarrhea ... ) Renal Losses: ... #Algorithm #causes ... #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... for renal biopsy ... if cause not identified ... by UW IM Residency ... #Algorithm #Workup
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Algorithm UOsm ... Primary polydipsia, Low ... solute intake, Renal ... Helbert Rondon, MD @NephroMD ... #causes #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... Acidosis - RTA - Diarrhea ... Renal artery stenosis ... #Diagnosis #Causes ... #Workup #Nephrology
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
net charge) • Diarrhea ... • Fistula Renal ... Cell Problem - Low ... MetabolicAcidosis #NonGap #Nephrology ... #Algorithm #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
suggests extra-renal ... use • Diarrhea ... #Hypokalemia #diagnosis ... #potassium #nephrology ... #low
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... nephron - TTKG ... Creatinine • Chronic renal ... IntercellularShift #Nephrology ... #Algorithm #Causes
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Differential Diagnosis ... Algorithm Cause ... Decreased Intake: • Low ... NGT suction - Diarrhea ... #Nephrology #Chloride
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Algorithm Decreased ... <20mmol/d • Diarrhea ... aldosterone • Renal ... #Hypokalemia #Nephrology ... #Algorithm #Causes