167 results
Black and Bloody Stools - Melena and Hematochezia
Melena - Refers to passage of black, tarry (sticky
Black and Bloody ... result from other causes ... , with negative ... hemorrhage may also cause ... #Differential #Causes
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Endocarditis (IE) Has Negative ... Blood Cultures ... therapy - Number one cause ... of culture negative ... BloodCultures #Diagnosis #Management
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 ... differential #diagnosis #causes ... #culture #negative
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
urinalysis, labs - Management ... Glomerular (red blood ... eosinophils/white blood ... renal biopsy - Management ... treating underlying cause
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
Ecchymosis: Bluish discoloration of skin caused by bruising with resultant subcutaneous collection
of blood.

Charlie Goldberg, M.D. -
discoloration of skin caused ... collection of blood ... Ecchymosis #Arm #Photo
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
serology: Serial negative ... blood cultures ... Frequent false-negative ... cultures/serology: + (Negative ... in up to 30% of cases
Janeway Lesions in Endocarditis seen on Physical Exam 

Dr Supradip Ghosh
@dr_supradip

36 year old male with history
Blood cultures growing ... sister shared these photos ... #Endocarditis #PhysicalExam ... #clinical #photo
Bacteremia Quick Reference - Treatment Duration

Gram Negative Bacteremia:
 • Avoid: Aminoglycosides and tigecycline
 • Catheters should
Duration Gram Negative ... - Follow-up blood ... cultures are negative ... therapy (if repeated blood ... Bacteremia #Treatment #Management
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a peripheral cause ... of AVS and negative ... with a central cause ... #Diagnosis #PhysicalExam