22 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... enzymes, Head CT ... /S, EEG, Brain MRI ... , Cardiac stress ... Effectiveness #table
Hypertrophic Cardiomyopathy (HOCM) - Diagnosis and Management
Diagnosis
 1. Wall thickness 215 mm (TTE/CT/MRI) 
 2. Absence
thickness 215 mm (TTE/CT ... /MRI) 2. ... Absence of Secondary Cause ... Supportive: genetic testing ... , LGE on MRI) Four
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... production to cause ... SPECT ($$$), PET CT ... /MRI ($$$$) CORE
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... ; abdominal CT, ... infusion Adrenal CT ... CT or MRI scan of ... Screening #Workup #table
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Computed Tomography (CT ... Computed Tomography (CT ... mSv 4 years - Cardiac ... Nuclear #Comparison #Table ... #Risks #Testing
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
Non-contrast CT ... obstruction - Able ... identify non-calculus causes ... Combination of above MRI ... for non-calculus causes
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
Angiography or Cardiac ... - Most Common Cause ... based on TTE, TEE, CT ... or MRI Minor: ... PFO, ASD, h/o of cardiac
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Cardiogenic (Intra-cardiac ... failure, acute MI ... → tension PTX, cardiac ... findings based on cause ... Differential #Diagnosis #table
Congenital Cytomegalovirus Infection- Ultrasonographic images showed ventricular dilatation in the fetal brain, and T2-weighted magnetic resonance
Immunohistochemical testing ... polymerase-chain-reaction testing ... #clinical #NEJM ... #radiology #MRI ... #CT #computed #tomography
Syncope Cost-Effectiveness Workup
Cost-effective tests for most patients: 
 • Orthostatic BP
 • ECG
 • Telemetry (if
Echocardiogram • Head CT ... Carotid US • Brain MRI ... • EEG • Cardiac ... stress testing ... • Cardiac Enzymes