13 results
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Differential Diagnosis Algorithm ... Reticulocytosis • Primary ... Hypersplenism • Secondary ... #Causes #Hematology
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Causes of Primary ... Primary Amenorrhea ... • Ovarian - Normal ... Obstruction #Primary ... #Causes #OBGyn
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Primary and Secondary ... Primary (Essential ... Mislabelled - Repeatedly normal ... Mineralocorticoid excess (primary ... #Hypertension #Primary
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Abnormal Lipid Profiles ... Differential Diagnosis Algorithm ... Deficiency • Primary ... Deficiency - Secondary ... Differential #Diagnosis #Algorithm
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
diagnostic of primary ... unclear (often the case ... this indicates normal ... suggests EITHER primary ... ACTH: - High = primary
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
• Low TSH, Low normal ... high T4 +/- T3 → Primary ... T3 → Central (secondary ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... - Urinary Chloride ... Remote use of loop ... Differential #Diagnosis #Algorithm ... #causes #urinary
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses: • Normal ... secreting tumor, Primary ... • HTN Absent: Loop ... #causes #potassium
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
High Al, Low R - Primary ... High Al, High R - Secondary ... Hyperplasia • Normal ... Al, Normal R - ... #nephrology #causes
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... Weakness, fatigue, nausea ... baseline ACTH - Primary ... insufficiency • Low or normal ... baseline ACTH - Secondary