27 results
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... - Low Serum B12 ... Myelodysplastic Syndromes ... and Folate Deficiency ... #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Diagnosis Algorithm Low ... Renal Disease, Liver ... (>100 fL) • B12 ... Folate Deficiency
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... Folate Deficiency ... Non-lmmune: • HELLP Syndrome ... #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Approach - MCV) Low ... Megaloblastic: Vitamin B12 ... deficiency, Folate ... Myelodysplastic syndrome ... differential #diagnosis #causes
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Erythropoiesis (B12 ... in pernicious anemia ... • Refeeding syndrome ... Losses Non-renal ... Diagnosis #Algorithm #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
SIADH, Cortisol deficiency ... Primary polydipsia, Low ... Renal insufficiency ... differential #algorithm #causes ... #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Hypothyroidism, Low ... solute intake, ... Glucocorticoid deficiency ... Cirrhosis, Nephrotic syndrome ... #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Tea and Toast Syndrome ... Beer Potomania - Low ... • Renal Failure ... Diagnosis #Algorithm #causes ... #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Chloridorrhea Renal ... Licorice • Liddle's Syndrome ... • Enzyme deficiency ... MetabolicAlkalosis #NonGap #Nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
, NGT suction, Low ... intake, Diuretics (late ... hyperaldosteronism • High PRA: Renal ... Diagnosis #Algorithm #Nephrology ... #Causes