10 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Diagnosis Poor ... type 4) - Salt wasting ... #Diagnosis #Low ... #Potassium #Table ... #Classification
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... smear, HIV/HCV testing ... K), H. pylori test ... gastric bypass), LFT
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
decision for repeat testing ... #LFTs #Abnormal ... #Algorithm #Hepatology ... Liver #Enzymes #Differential ... #Diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
(LFTs) and a serum ... chest wall, and low ... (to support a diagnosis ... laboratory #workup #diagnosis ... #testing #Rheumatology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table ... #Classification
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
originate from a low-grade ... Positive Coombs testing ... younger pts) Differential ... test #cold # ... hemolytic #anemia #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
retinopathy Lab Tests ... : • CBC • LFT ... • Complement (Low ... #diagnosis #rheumatology ... #classification
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
false positive tests ... adjusted d-dimer testing ... pathophysiology #hematology ... #differential # ... diagnosis #age #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Slow Growers (Runyon ... Classification ... Growers (Runyon Classification ... Hematologic malignancy ... NTM #Infections #differential
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
monkeypox virus or to differentiate ... 2022-lab-advisory-CLARIFICATION-CDC_Publishes_Non-variola_Orthopoxvirus_PCR_Testing_Procedure ... risk of smallpox –low ... specimens from low ... See table below