16 results
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
: • Decreased GI ... Absorption: Chronic ... Diarrhea, Antacids ... #nephrology #phosphorus ... #workup
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
FEPO4 < 5%: • GI ... Malabsorption, Chronic ... diarrhea, Poor ... FEPO4 ≥ 5% - Renal ... #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Increased Excretion - GI ... Increased Excretion - Renal ... endocrinology #causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic ... diarrhea / IBD ... Hypomagnesemia #Differential ... Classification #Causes ... #Workup #hypomg
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Algorithm Acidosis ... - RTA - Diarrhea ... Renal artery stenosis ... #Causes #Workup ... #Nephrology
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
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap ... the anion gap GI ... net charge) • Diarrhea ... • Fistula Renal ... MetabolicAcidosis #NonGap #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
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
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Diagnosis Algorithm ... Increased Loss: • GI ... NGT suction - Diarrhea ... • RENAL LOSS: ... Pathophysiology #Nephrology