10 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... Hypovolemic (H2O loss): GI ... #Differential # ... #Algorithm #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... access to water GI ... loss • Watery Diarrhea ... #Nephrology #Differential
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
: • Decreased GI ... Absorption: Chronic ... Diarrhea, Antacids ... #nephrology #phosphorus ... #workup
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... losses, Vomiting, Diarrhea ... : • Acute or chronic ... #Causes #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... FEPO4 < 5%: • GI ... Malabsorption, Chronic ... diarrhea, Poor ... #phosphate #nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Nephropathies, Vomiting, Diarrhea ... Nephrotic Syndrome, Chronic ... MH/CCF/CWRU EM ... #causes #nephrology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Framework and Workup ... hyperchloremia - GI ... - Diarrhea - ... Surgical drains - Chronic ... #nephrology
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Diagnosis Algorithm ... the anion gap GI ... net charge) • Diarrhea ... RTA Type II • Carbonic ... MetabolicAcidosis #NonGap #Nephrology
Post-Transplant Diarrhea - Diagnosis and Management Algorithm
Post-transplant diarrhea (≥ 3 loose or liquid stools per day)
Malabsorption workup ... in case of chronic ... ) ± Plasma CMV PCR ... drug regimen • MMF ... #nephrology #renal
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... • Vomiting, diarrhea ... dysfunction • PSC ... mesenteric ischemia • GI ... appendages • FMF