16 results
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Resonance Imaging (MRI ... #CT #MRI #POCUS ... #radiology #differential ... #diagnosis #comparison ... #table #appearance
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... LIP #Clinical #Diagnosis ... #Radiology #CTChest ... #Comparison #Table
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
and ventricles contract ... are enough to diagnose ... excludes other differentials ... Awaves #AVNRT #PhysicalExam ... #JVP #Cardiology
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... Diagnosis Framework ... failure, acute MI ... #Diagnosis #table ... #comparison #criticalcare
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Anaphylaxis - Post-cardiac ... Endocarditis - Post-MI ... #Cardiogenic #Comparison ... #Table #Diagnosis ... #Features #Signs
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Embolism In contrast ... pain, such as MI ... Pericarditis #Symptoms #Signs ... #Presentation #comparison ... #Table #Diagnosis
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
- Brugada's sign ... This is in contrast ... VT #VTach #SVT #Comparison ... Versus #ecg #ekg #cardiology ... #diagnosis #electrocardiogram
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Anti-MDA5, anti-Mi ... heliotrope, shawl sign ... Inflammatory #Myopathies #differential ... #diagnosis #comparison ... #rheumatology #table
Mechanical Complications in Acute Myocardial Infarction
Acute LV/RV Dysfunction:
 • Regional wall motion, systolic and diastolic function,
poor prognostic signs ... ) • May need contrast ... Infarction #acuteMI #cardiology ... #differential # ... diagnosis #timeline
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Intra-articular contrast ... Differential diagnosis ... GAGL): "Reverse J sign ... shoulder #clinical #mri ... #clinical #Radiology