16 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... TSH, Low normal ... • Low TSH, normal ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Volume (MCV) - Differential ... Diagnosis Algorithm ... Liver Function ... Deficiency - Abnormal
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Diagnosis Algorithm ... Weakness, fatigue, nausea ... , hypoglycemia Testing ... or normal baseline
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Amenorrhea - Differential ... Diagnosis Algorithm ... : • Functional ... (e.g. eating disorder
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
unclear (often the case ... then go to stim testing ... this indicates normal ... adrenal function ... primary AI - Low
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
loss if renal function ... Hypomagnesemia #algorithm ... #differential # ... diagnosis #causes ... nephrology #magnesium #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... from other causes ... consumption • Low ... /Normal Blood Pressure ... #differential #
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Amenorrhea - Differential ... Diagnosis Algorithm ... Etiology - High FSH, Low ... Hypothalamic: • Functional ... (e.g. eating disorder
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... Vomiting/nasogastric suction ... /low blood pressure ... #causes #urinary
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Floppy Newborn) - Differential ... Diagnosis Algorithm ... System - Decreased LOC ... #Causes #Peds #