14 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
. unlikely subclinical ... T4 +/- T3 → Subclinical ... : Work-up similar ... high T4 +/- T3 → Primary ... #algorithm #diagnosis
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Differential Diagnosis Algorithm ... Mislabelled - Repeatedly normal ... taken at home, work ... hypertension) • Hypothyroidism ... Differential #Diagnosis #Algorithm
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
angiography • Primary ... salivary cortisol • Hypothyroidism ... • Hyperthyroidism ... #Screening #Workup ... #table
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Abnormal Lipid Profiles ... Differential Diagnosis Algorithm ... Diabetes • Hypothyroidism ... Deficiency • Primary ... #Dyslipidemia #Abnormal
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... + High TSH • Primary ... Hypothyroidism ... Differential #Diagnosis #Algorithm ... Endocrinology #Causes
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... - Diarrhea pH Normal ... Primary hyperaldo ... #Diagnosis #Causes ... #Workup #Nephrology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Chronic Disease Normal ... Liver Disease • Hypothyroidism ... #Anemia #MCV #Classification ... #Causes #Hematology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... Algorithm and Differential ... osmolarity If cause ... investigations abnormal ... #Injury #AKI #Workup
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... with previously stable ... , Primary Hyperaldosteronism ... , Hyperthyroidism ... #Hypertension #Workup
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... Low #Magnesium #Table ... #Classification ... #Causes #Workup