10 results
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
drugs that may cause ... false positive tests ... DrugScreens #UDS #Laboratory ... #Toxicology #Diagnosis ... FalsePositive #Testing
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
should be obtained ... more time for the laboratory ... (to support a diagnosis ... #workup #diagnosis ... #testing #Rheumatology
Abdominal Pain - Differential Diagnosis According to Localization of Abdominal Pain 

Abdominal pain can originate from
GI, infectious, hematologic ... extra-abdominal causes ... abdominal pain (Table ... exhaustive and should ... GrepMed Recommended Text
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
regarding the diagnosis ... initial screening test ... elevated, HFE gene testing ... including liver and hematologic ... hemochromatosis #algorithm #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... Putrid sputum/sour-tasting ... of PCN allergy ... #differential #causes
Acromegaly - Diagnosis and Management Summary - GrepMed Handbook 

Clinical Presentation: 
 • Classic Acromegaly: frontal
malignancy Pathophysiology ... glucose suppression test ... • Pituitary testing ... or refractory cases ... Endocrinology #Treatment #Pathophysiology
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
lung disease Caused ... Testing: • Pulse ... Should be performed ... 10 minutes of rest ... management #treatment #hepatology
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
age, which can cause ... false positive tests ... adjusted d-dimer testing ... #hematology #differential ... #diagnosis #age
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
2022 “Physicians should ... should be immediately ... reference level Laboratory ... See table below ... #SmallPox #Laboratory
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
- Differential Diagnosis ... of factor VII should ... discern these causes ... fibrinogen levels, and testing ... #Hematology