21 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Erythropoiesis (B12 ... in pernicious anemia ... nephrology #low #potassium
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Diagnosis Algorithm ... Chronic Infection) High ... (>100 fL) • B12 ... #MCV #Classification
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
, or folate deficiency ... High Glucose ... • Hemolytic anemia ... Increase #Decrease #Diagnosis ... #DM2 #Differential
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... Administration of inulin, B2 ... #urine #potassium ... #differential # ... algorithm #diagnosis
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Diagnosis Algorithm ... • B12/Folate ... Deficiency • Aplastic ... #Classification
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... " High MCV - >96fL ... Megaloblastic: Vitamin B12 ... morphologic #mcv #differential ... #diagnosis #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... phlebotomy High ... #differential # ... #potassium #high
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Diagnosis Physiologic ... intravascular hypovolemia ... - Severe iron deficiency ... anemia (reduced ... Hyperdynamic circulation/High
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... phlebotomy High ... #differential # ... #potassium #high
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... Diagnosis Framework ... • Present in high ... Idiosyncratic LDH Elevation ... #diagnosis #Laboratory