34 results
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Differential Diagnosis Algorithm ... Reticulocytosis • Renal ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
High Prolactin + Normal ... Intake • Chronic Renal ... High Prolactin + Normal ... Production • Renal ... Endocrinology #Causes
Normal prominent medullary pyramids on renal POCUS
No hydronephrosis. Has prominent medullary pyramids. They can appear markedly
Normal prominent ... medullary pyramids on renal ... POCUS No hydronephrosis ... markedly hypoechoic (labeled ... #kidney #POCUS
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
and Secondary Causes ... Differential Diagnosis Algorithm ... Mislabelled - Repeatedly normal ... Differential #Diagnosis #Algorithm ... #causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses ... : • Normal Acid-Base ... loss (Diarrhea) Renal ... #causes #potassium
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Elevated PTH (High or normal ... Tumors: Lung, SCC, renal ... Differential #Diagnosis #Algorithm ... #causes #endocrinology
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Differential Diagnosis Algorithm ... PO4 < 20%: • Renal ... / Absorption - Normally ... Context of Impaired Renal ... endocrinology #causes
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... intake • poor oral ... intake Renal ... Nonreabsorbable anions • Renal ... #Causes #Classification
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
cells FEMg >4% = renal ... magnesium loss if renal ... function is normal ... Hypomagnesemia #algorithm ... differential #diagnosis #causes
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Causes of Generalized ... Differential Diagnosis Algorithm ... Overfill (Increased renal ... pericarditis • Portal ... #Causes