53 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... and Reduction in HbA1c ... Hypertriglyceridemia • Uremia High ... Elevation #Reduction #HbA1c ... Diagnosis #DM2 #Differential
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... - Differential ... glycosides • High ... of injection Decreased ... #Differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... - Differential ... Decreased filling ... #Differential # ... #workup #nephrology
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... Hypercalcemia ... due to decreased ... #Causes #differential ... diagnosis #calcium #high
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... - Differential ... #Differential # ... Diagnosis #Causes ... #potassium #high
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... Normal, Renin High ... hypoplasia Aldosterone high ... #potassium #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... • Low PATM Can decrease ... : High altitude ... drive due to neurologic ... Failure #hypoxia #Differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
by Mechanism Decreased ... - Hypokalemia ... Hypomagnesemia #Differential ... Magnesium #Table #Classification ... #Causes #Workup
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Decreased Mg ... #Differential # ... Algorithm #Diagnosis #Causes ... #Workup #Nephrology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Basic labs for decreased ... (CVID, WAS), (neurologic ... psychiatric changes), high ... Platelet #Disorders #Differential