27 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... LIP #Clinical #Diagnosis ... #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... Cardiovascular MRI ... intolerance • Chest ... shock, sudden cardiac ... #Management #Cardiology
Cardiac Murmurs and Maneuvers

An algorithm demonstrating the effect of various maneuvers on systolic murmurs. 
TR, tricuspid
Cardiac Murmurs ... depending on the relative ... DrJayMohan #Cardiac ... Maneuvers #Heart #Cardiology ... #PhysicalExam #Diagnosis
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... ($$$), PET CT/MRI ... COREIMpodcast #Cardiac ... Stress #Testing #cardiology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Resonance Imaging (MRI ... #Contrast #CT #MRI ... #POCUS #radiology ... #differential #diagnosis ... #comparison #table
Cardiac Event Monitors
 • Holter Monitor - Records every heart beat for 24-48 hours
 • Loop/Event
Cardiac Event Monitors ... patient places on chest ... Monitors #heart #cardiology ... telemetry #devices #comparison ... #table
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
14th CXRs 2-view chest ... 200 CXRs Chest ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks #
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
- Differential Diagnosis ... dizziness, syncope, chest ... discomfort Cardiac ... tissue (previous MI ... #Arrhythmias #Cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
● Positive or negative ... Positive or negative ... point) of S > 100 ms ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
2 years CHEST ... 4 years - Cardiac ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks #