11 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Frequency obtained - Abnormal ... - Cost per test ... Syncope #diagnosis #workup ... #testing #Cost ... Effectiveness #table
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
antibodies - Most ... Celiac #Disease #Testing ... #Laboratory #Tests ... #Diagnosis #Workup ... #Table
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... hypercalcemia rests ... sensitivity for correct classification ... Thus, further testing ... #Differential #
Non-ACS Myocardial Injury - Elevated Troponin Differential Diagnosis and Workup Algorithm

 • Chronic Myocardial Injury: End
Elevated Troponin Differential ... Diagnosis and Workup ... Algorithm • ... Inflammation • Globally Abnormal ... Occlusion • Stable
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Hypomagnesemia #Differential ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
The most commonly ... aldosterone - Often normal ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing ... endocrinology #workup
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
A lazy man's classification ... In their most basic ... essentially the same tests ... #Hyponatremia #Algorithm ... #Differential #
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... value is low, tests ... indirect antiglobulin tests ... WBC count and differential ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
pain/tightness Most ... - BAR >1.0 is abnormal ... Bronchoscopy Laboratory ... Sweat chloride test ... Bronchiectasis #pulmonary #differential
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
remember than the normal ... volume-based algorithm ... Cerebral Salt Wasting ... #Hyponatremia #differential ... #diagnosis #table