55 results
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
immunocompetent (HIV negative ... #lesions #cns #brain ... differential #algorithm #causes ... #radiology #neurology
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Causes of Encephalopathy ... Acute: - Primary Neurologic ... demyelination), Infectious ... Neoplasm-related (brain ... Diagnosis #Algorithm #Causes
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Infectious: Legionella ... spotted fever, Non-infectious ... #bradycardia #Causes ... differential #diagnosis #infectiousdiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... Brain: - Streptococcal ... Dracunculiasis - Non-Infectious ... Differential #Diagnosis #InfectiousDiseases
Congestive Heart Failure - Causes, Pathophysiology and Differential Diagnosis
 • Dilated Cardiomyopathy 
 • Hypertrophic Cardiomyopathy
Heart Failure - Causes ... , Pathophysiology ... • Toxic • Infectious ... #Pathophysiology ... Differential #Diagnosis #cardiology
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Transplant Infections ... Staphylococci (skin), Gram-negative ... #Transplant #Infections ... differential #diagnosis #causes ... #infectiousdiseases
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Tumor, Traumatic brain ... injury • Infectious ... Encephalitis, Brain ... #neurology
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... #culture #negative ... #Endocarditis #InfectiousDiseases ... #CNIE #BCNIE #cardiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
splenomegaly Other infections ... multiple lesions Infectious ... RingEnhancing #Lesions #Brain ... differential #diagnosis #causes ... #radiology #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
(Many causes!) ... * (most common cause ... ) • Infection ( ... encephalitis) • Brain ... Syndrome #diagnosis #neurology