30 results
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
requires special media ... but important causes ... BCNIE Diagnostic ... special stains (e.g ... specific pathogens also
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... • Signs/Symptoms ... • Signs/Symptoms ... include depressed mental ... #differential #diagnosis
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
incidentally during medical ... neoplasms) • Screen also ... organ-specific signs ... or symptoms (eg ... #Differential #diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
, r/o infection ... recent DAN) • EMG ... Goodpasture's cause ... blood retum in serial ... hematuria, RBC casts
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... Autoimmune (SLE/APLS ... : Serial negative ... in up to 30% of cases ... #table
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... - Causes progressive ... - Medical time ... EMG: LMN Signs in ... Lateral #Sclerosis #neurology
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
mastoid cavity as ... hearing loss, nausea ... #Mastoiditis #pathophysiology ... #signs #symptoms ... #diagnosis #otology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... with previously stable ... hypertension and signs ... renal bruit or signs ... Neurologic disorders
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Differential Diagnosis ... - Gitelman SIGNS ... Hypotension • AMS ... (altered mental ... #Algorithm #Pathophysiology
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... of sinus or ear infection ... illness, such as ... headache #redflags #signs ... differential #emergency #diagnosis