35 results
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
a NCCT or • MRI ... brain w/o contrast ... Evaluate underlying cause ... Detected on NCCT vs MRI ... Defined if 1) CT/MRI-confirmed
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Carotid U/S, EEG, Brain ... MRI, Cardiac stress ... Effectiveness #table
Trypanosoma cruzi Reactivation in the Brain- ...Magnetic resonance images of the brain showed a mass measuring
Reactivation in the Brain ... images of the brain ... examination of a brain ... kinetoplasts (masses ... #MRI #radiology
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
Common MRI Sequences ... - Basic MRI Brain ... barrier- but masses ... give contrast, masses ... teachplaygrub #MRI
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
heart valves • MRI ... brain for cerebral ... in up to 30% of cases ... often seen • MRI ... Marantic #diagnosis #table
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... acute, massive MI ... Differential #Diagnosis #Table
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
Differential Diagnosis Algorithm ... Audiogram - Perform MRI ... • Metabolic Causes ... Differential #Diagnosis #Algorithm ... #Causes
Restrictive Cardiomyopathy - Diagnosis and Causes
Clinical: Dyspnea, Exercise Intolerance, ↑ "Right Sided-Symptoms" (ascites, hepatomegaly, ↑↑peripheral edema)
Physical
Diagnosis and Causes ... Descents, Rales,+S4, MR ... Echocardiography, Cardiac MRI ... Cardiomyopathy #Diagnosis #Causes ... differential #cardiology #algorithm
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Testing Common causes ... Doppler ultrasound; MRA ... CT or MRI scan of ... Screening #Workup #table
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... RingEnhancing #Lesions #Brain ... differential #diagnosis #causes