17 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... diarrhea / IBD ... Medications ... Magnesium #Table #Classification ... #Causes #Workup
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
- Nephrotic syndrome ... - Acute and chronic ... Hypokalemia - Drugs ... - SIADH Renal ... Vomiting - Diarrhea
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... losses, Vomiting, Diarrhea ... Hypothyroidism, Stress, Drugs ... : • Acute or chronic ... #Causes #nephrology
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the ... Evaluation of Chronic ... Medications 7. ... 1000 g/24 h) #Chronic ... #algorithm #workup
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
• Refeeding syndrome ... Thyrotoxicosis Medications ... Renal Losses ... losses (NG suction, diarrhea ... #nephrology #low
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Diagnosis and Workup ... volume loss - diarrhea ... • nephrotic syndrome ... Hypernatremia #Diagnosis #Workup ... #Algorithm #Nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Malabsorption, Chronic ... diarrhea, Poor ... FEPO4 ≥ 5% - Renal ... #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Differential Diagnosis Algorithm ... GI Absorption: Chronic ... Diarrhea, Antacids ... #nephrology #phosphorus ... #workup
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... Diarrhea - Differential ... "drug-induced enteropathy ... #Diarrhea #Causes ... #inflammatory #classification
Post-Transplant Diarrhea - Diagnosis and Management Algorithm
Post-transplant diarrhea (≥ 3 loose or liquid stools per day)
and Management Algorithm ... Malabsorption workup ... in case of chronic ... immunosuppressive drugs ... #nephrology #renal