12 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
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... • High Al, Low R ... Al, High R - Secondary ... Differential #Diagnosis
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia with secondary ... Hypomagnesemia - Acquired: Medications ... pentamidine), Hypercalcemia ... renal transplant, Diuretic ... nephrology #magnesium #low
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Diagnosis Algorithm ... taken at home, work ... licorice • Medications ... excess (Cushing syndrome ... #Diagnosis #Algorithm
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
biliary fistula - Diarrhea ... - Primary or secondary ... #differential # ... medications #drugs ... #pharmacology #
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Workup and Differential ... classes, including a diuretic ... or acute kidney injury ... Differential #Diagnosis ... #indications
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diagnosis of ... ; High-Ceiling Diuretics ... Hyponatremia • Hypercalcemia ... #Nephrology #Pharmacology ... #Medications #Table
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Failure, Toxins/Medications ... , Spinal Cord Injury ... Low CO / High ... Abdominal compartment syndrome ... #algorithm #treatment
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.