371 results
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... • Autoimmune disease ... HACEK • Culture-negative ... epidermidis • Gram-negative ... #Noninfective #Causes
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... 100%, then all negative ... proportion of negative ... that are true negatives ... but not on the causal
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... Pneumonitis • Treatment ... Connective Tissue Disease ... BrighamChiefs #ILD #Causes ... interstitial #lung #disease
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
EKG Findings Causes ... toxicity • Paget's disease ... Granulomatous disease ... #Differential #Causes ... #Diagnosis #Cardiology
Approach to Low Back Pain - Differential Algorithm
- Non-MSK
- Axial / Musculoskeletal
- Radicular
- Systemic Disease (Do
Algorithm - Non-MSK ... Radicular - Systemic Disease ... Differential #Algorithm #Causes
Atrial Fibrillation - Diagnosis, Causes, Presentations
Causes (PIRATES):
 - Pulmonary embolism 
 - Ischemia (cardiac) 
 -
Fibrillation - Diagnosis, Causes ... Presentations Causes ... - Repiratory disease ... myxoma - Thyroid disease ... PIRATES #Emergency #Cardiology
Causes of mitral stenosis
Rheumatic heart disease
 - Most common cause worldwide. Commissural fusion, thick MV leaflets
Causes of mitral ... - Most common cause ... parachute MV (caused ... mitral #stenosis #Causes ... #differential #cardiology
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... febrilepodcast] #BCNIE #Causes ... #culture #negative ... #CNIE #BCNIE #cardiology
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
ULN R - Renal disease ... Causes of false- ... negative SPEP: ... chain deposition disease ... amyloidosis Other causes
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
your grand rounds/cases ... strep - Gram-negatives ... structural lung disease ... structural lung disease ... #Microbiology #Causes