17 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Atrial Flutter on EKG ... up, slow down; "negative ... • V1: Broad & negative ... #cardiology #clinical ... #diagnosis #comparison
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
interpret them in clinical ... Care UltraSound (POCUS ... Below is a brief overview ... #Diagnosis #Radiology ... #Limitations #Comparison
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
result with no clinical ... immunocompromised (e.g ... because false-negative ... sample = 95% • A negative ... #Workup #TB #Latent
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
antimicrobials, clinical ... BCNIE Diagnostic ... special stains (e.g ... #Endocarditis #diagnosis ... #differential #workup
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential Diagnosis ... patients with a negative ... 109 mm Hg) with clinical ... #Hypertension #Workup
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
Related Disease Clinical ... PET-CT Imaging (→ Diagnostic ... • Some false negative ... Glucocorticoids (0.6 mg/kg ... management #phenotypes #workup
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... • Immunologic Workup ... pANCA anti-MPO - Negative ... druginduced #lupus #sle #comparison ... #rheumatology #diagnosis
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Coccidioides - Negative ... cut-offs defined in clinical ... Cryptococcus - Negative ... Galactomannan #diagnosis ... #comparison
Constrictive Pericarditis on Echocardiogram
A 55-year-old female marathon runner presents to clinic w/ 6-months of worsening breathlessness
runner presents to clinic ... had gained 15 kg ... echocardiogram to workup ... expiration not meeting diagnostic ... Echocardiogram #a4c #pocus
Myasthenic Crisis Checklist - Myasthenia Gravis

Evaluation 
 - Chest X-ray and lung ultrasound (exclude other lung
- Infectious workup ... Pyridostigmine - New diagnosis ... oral secretions (e.g ... (vital signs, clinical ... Do not measure negative