437 results
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 ... InfectiousDiseases #Microbiology
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
for a PERIPHERAL cause ... Nystagmus #HINTS #PhysicalExam ... #Clinical #Video ... #Negative #Neurology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Noncardiogenic Pulmonary ... Causes include: ... • Normal or negative ... pg/ml EKG: • Negative ... infarction • Gram negative
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Native and ... Endocarditis #Sources #Causes ... #Differential #Microbiology
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Normal (Negative ... Injury #Normal #Negative ... #clinical #video ... #PhysicalExam #
A serious case of Flail chest. This is a medical emergency!

Medical Talk @TheMedicalTalk

#Flail #Chest #Breathing #Pattern
A serious case of ... Trauma #Video #Clinical ... #PhysicalExam # ... Pulmonary #Respiratory
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... Alpha-hemolytic, Catalase Negative ... • Most common cause ... media • Important cause ... Pneumoniae #strep #microbiology
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... Proves cause-effect ... diseases, describe clinical ... that are true negatives ... but not on the causal
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... most common) Clinical ... Abscess #Diagnosis #Pulmonary ... #Clinical #CXR
Normal (Negative) Babinski / Plantar Reflex

The plantar reflex is a reflex elicited when the sole of
Normal (Negative ... plantar reflex causes ... Reflex #Plantar #Negative ... #Normal #Clinical ... #Video #Signs #PhysicalExam