9 results
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 ... Causes of acute ... 1000 g/24 h) #Chronic ... #algorithm #workup
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Appropriately Low ... GI Absorption: Chronic ... Diarrhea, Antacids ... , Acute Respiratory ... #workup
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... paraproteinemia, acute ... Malabsorption, Chronic ... diarrhea, Poor ... #phosphate #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... diarrhea / IBD ... Differential #Diagnosis #Low ... Classification #Causes ... #Workup #hypomg
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... losses, Vomiting, Diarrhea ... UNa > 20: • Acute ... or chronic renal ... #Causes #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... , Gitelman syndrome ... the indicated causes ... #nephrology #differential
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Cirrhosis, Nephrotic Syndrome ... , Chronic Renal ... #diagnosis #causes ... #nephrology #sodium ... #low
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... can be high or low ... Cirrhosis, Nephrotic syndrome ... #sodium #nephrology
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... the epithelial sodium ... End-stage renal ... Drug-associated: heparin, low-molecular-weight ... antiphospholipid syndrome