24 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Drug fever #relative ... #bradycardia #Causes ... #differential # ... infectiousdiseases #table
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... - Differential ... Consider prior antibiotics ... as a cause of a ... #Abscess #Differential
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Native and ... for TPN) and antibiotic ... Endocarditis #Sources #Causes ... Bacteria #Etiology #Differential
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... upper lid • Cause ... Warm compresses, antibiotic ... Diagnosis #Management #Ophthalmology ... Chalazion #Comparison #Table
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Red Eye - Differential ... #Eye #redeye #Differential ... #Diagnosis #table ... #causes #ophthalmology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... Neutropenia - Differential ... Anticonvulsants • Antibiotics ... Bacteria • Gram Negative ... #Neutropenia #Differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... once stable - ... Lung Abscess Differential ... Abscess #pulmonary #differential ... #causes #management
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Diagnosis Algorithm Relative ... Pupils #Defects #Differential ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
, venlafaxine Antibiotics ... #Medications #Causes ... #differential # ... #pharmacology #table
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... Hypertension - Workup and Differential ... with previously stable ... patients with a negative ... #Differential #