463 results
Tuberculosis Skin Test Interpretation

#Diagnosis #Tuberculosis #LatentTB #Tuberculin #SkinTest #TST #Interpretation #Induration #Thresholds #Diameters #PPD
LatentTB #Tuberculin #SkinTest ... Interpretation #Induration
Identify a Positive Tuberculosis (TB) Skin Test
#Diagnosis #Tuberculosis #LatentTB #Tuberculin #SkinTest #TST #Interpretation #Induration #Thresholds #Diameters
LatentTB #Tuberculin #SkinTest ... Interpretation #Induration
Tuberculin Skin Test (Positive Mantoux Test) Result, Reading and Interpretation

#Diagnosis #Tuberculosis #LatentTB #Tuberculin #SkinTest #TST #Interpretation
LatentTB #Tuberculin #SkinTest ... Interpretation #Induration
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
for treatment Induration ... Immunocompromised patients Induration ... Injection drug users Induration ... Tuberculosis #Tuberculin #SkinTest ... Interpretation #Induration
Causes of False-Positive and False-Negative IGRA and TST Results

#Diagnosis #TB #Tuberculosis #Tuberculin #SkinTest #TSTs #IGRA #FalseNegatives
Tuberculosis #Tuberculin #SkinTest ... FalseNegatives #FalsePositives
COVID-19 Hypoxia Management

Indication for endotracheal intubation?
Tolerating supplemental oxygen?
Consider HFNC
Not tolerating HFNC or HFNC is not available?
Consider
Management Indication ... for endotracheal intubation ... Consider Indication ... for endotracheal intubation ... DO NOT: Delay intubation
Difficult Airway Algorithm

1. Assess the likelihood and clinical impact of basic management problems: 
 • Difficulty
• Difficult intubation ... choices: • Awake intubation ... vs. intubation ... after induction ... initial approach to intubation
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
#Specificity #FalsePositive
DENOVA score to predict endocarditis in patients with Enterococcus faecalis bacteremia
 • Duration of symptoms ≥
bacteremia • Duration ... Auscultation of murmur Indication
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
Toxicology #Diagnosis #FalsePositive