9 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... Renal Loses - Medications ... Hypomagnesemia #Differential ... #Diagnosis #Low ... Classification #Causes #Workup
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... • Refeeding syndrome ... Thyrotoxicosis Medications ... Diagnosis #Algorithm
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diagnosis of ... ; High-Ceiling Diuretics ... Hyponatremia • Hypercalcemia ... #Pharmacology # ... Medications #Table
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Trauma/Crush injury ... • K sparing diuretics ... - Tumor lysis syndrome ... Medications 2.
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
biliary fistula - Diarrhea ... Hypomagnesemia #Causes #diagnosis ... #differential # ... medications #drugs ... #pharmacology #
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
hyperosmolality - Medications ... Decreased Urinary Excretion ... Aldosterone: K sparring diuretics ... production: TLS, Crush injury ... #potassium #high
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... , Gitelman syndrome ... Hypomagnesemia • Hypertension ... #nephrology #differential ... #diagnosis
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Trauma/Crush injury ... • K sparing diuretics ... - Tumor lysis syndrome ... Medications 2.
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
- Workup and Differential ... Diagnosis Approach ... classes, including a diuretic ... or acute kidney injury ... Diagnosis #indications