24 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... Tests in the Evaluation ... normal T4 +/- T3 ... Hyperthyroidism #algorithm ... #diagnosis #endocrinology
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Laboratory Evaluation ... high; in some cases ... , T3 is elevated ... low; free T4 and T3 ... differential #diagnosis #endocrinology
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Insufficiency Diagnosis Algorithm ... - Evaluation of ... unclear (often the case ... normal adrenal function ... Stimulation #Test #Endocrinology
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Differential Diagnosis Algorithm ... Hyperprolactinemia Organic Cause ... Challenge • Functional ... #endocrinology ... #causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... wasting from other causes ... suggests extra-renal causes ... Hypokalemia #diagnosis #Algorithm ... differential #potassium #nephrology
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Differential Diagnosis Algorithm ... Impaired Renal Function ... Differential #Diagnosis #Algorithm ... #endocrinology ... #causes
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... transport, renal function ... Gastrointestinal function ... Differential #Diagnosis #Algorithm ... Pathophysiology #Nephrology
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... Differential Diagnosis Algorithm ... Decreased kidney function ... KidneyDisease #Nephrology ... #Causes
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Differential Diagnosis Algorithm ... Neuromuscular Junction ... Weakness #Sensory #Neurology ... #Causes
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Differential Diagnosis Algorithm ... Neuromuscular Junction ... Peripheral #Weakness #Neurology ... #Causes