10 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Function Tests in the Evaluation ... TSH, Low normal ... Hyperthyroidism: Work-up ... Hyperthyroidism → MRI ... Hyperthyroidism #algorithm
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
How do you work ... A) Initial Evaluation ... Evaluate underlying cause ... Ruled out other causes ... #CVA #stroke #workup
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary intestinal ... Chronic diarrhea / IBD ... Differential #Diagnosis #Low ... Classification #Causes ... #Workup #hypomg
UCSF COVID-19 Adult Clinical Evaluation Guide - Updated April 10 2020

Clinical Presentation
• Fever: hospitalized pts but
Adult Clinical Evaluation ... dyspnea 20-50% • URI ... Cardiac: multiple case ... normal, can be low ... Guide #Diagnosis #Algorithm
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory Evaluation ... protease activity - A low ... If the value is low ... Haptoglobin - Low ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... disorders of small intestine ... total body stores Evaluation ... bariatric, gastric, intestinal ... PBS - anemia, mild
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the ... Evaluation of Chronic ... Causes of acute ... barium, CT, or MR ... #workup #diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... in >90% - Low ... Discontinuation of causal ... • Immunologic Workup ... 60-80% - Low
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Low ... in cases in which ... insufficiency is mild ... Insufficiency #Evaluation ... endocrinology #workup
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
• Immunologic Workup ... in >90% - Low ... Prognosis: Usually mild ... Discontinuation of causal ... cutaneous-DIL • Evolution