281 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... Hyperthyroidism • Low ... TSH, Low normal ... T4 → Possibly Central ... Hyperthyroidism #algorithm
Thyroid Function Pathway 

Hypothyroidism is a very common condition! Here's a repost of the pathway that
Thyroid Function ... HIGH TSH and a low ... T4. ... is because if T4 ... is low, the body
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
disease - TSH low ... in some cases, T3 ... adenoma - TSH low ... low in a newborn ... normal; T3 low;
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup Algorithm ... ↑Total T3/Free T4 ... Graves disease • Low ... Iodine Scan - Low ... Differential #Diagnosis #Algorithm
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... Vomiting, NGT suction ... , Low Cl intake, ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Differential Diagnosis Algorithm ... Vomiting • NG suction ... MetabolicAlkalosis #NonGap #Nephrology ... #Causes
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
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... Intake: • Low ... transport, renal function ... Gastrointestinal function ... Pathophysiology #Nephrology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Systemic and Primary Causes ... Mellitus Liver Function ... /uremia TSH & T4 ... #causes
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Differential Diagnosis Algorithm ... - Normal Liver Function ... Abnormal Liver Function ... #Causes #Hematology