11 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Diagnosis and Workup ... decreased PLT count: CBC ... smear, HIV/HCV testing ... #Workup #hematology
CDC Risk Classification for Asymptomatic Healthcare Personnel Following Exposure to Patients with Coronavirus Disease (COVID-19) or
CDC Risk Classification ... in a Healthcare Setting ... Monitoring and Work ... #COVID19 #Worker ... Management #Policy #CDC
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
type 4) - Salt wasting ... Low #Potassium #Table ... #Classification ... #Causes
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... and Screening Testing ... Common causes: ... #Screening #Workup ... #table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Putrid sputum/sour-tasting ... Diagnosis: • CBC ... shows a small, stable ... #differential #causes
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Performance Characteristics ... specificity for CRC ... specificity for CRC ... Tests #comparison #table ... #Testing
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
Family History Performance ... specificity for CRC ... specificity for CRC ... Tests #comparison #table ... #Testing #Indications
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
2022-lab-advisory-CLARIFICATION-CDC_Publishes_Non-variola_Orthopoxvirus_PCR_Testing_Procedure ... reported to the CDC ... requirements and the CDC ... CDC should be consulted ... See table below
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Growers (Runyon Classification ... Growers (Runyon Classification ... haemophilum • Tropical setting ... Advanced HIV (CD4