11 results
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
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
cardiomyopathy Acute ... Endocarditis - Post-MI ... #Cardiogenic #Comparison ... #Table #Diagnosis ... #Features #Signs
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... Myositis • Onset: Acute ... Inflammatory #Myopathies #differential ... #diagnosis #comparison ... #rheumatology #table
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... pain, such as MI ... Pericarditis #Symptoms #Signs ... #Presentation #comparison ... #Table #Diagnosis
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... heart valves • MRI ... often seen • MRI ... #Endocarditis #comparison ... #table
Mechanical Complications in Acute Myocardial Infarction
Acute LV/RV Dysfunction:
 • Regional wall motion, systolic and diastolic function,
Complications in Acute ... Myocardial Infarction Acute ... poor prognostic signs ... #cardiology #differential ... #diagnosis #timeline
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Diagnosis Approach ... with previously stable ... hypertension and signs ... renal bruit or signs ... Neurologic disorders
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Diagnosis Framework ... Impairment: • Acute ... Lack of UMN/LMN signs ... EMG) studies • MRI ... #Diagnosis #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... test - Cogan sign ... - Peek sign ... aspiration and acute ... #management #neurology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
women • DDx: Acute ... Equivalents / Don't Miss Signs ... Ischemia #ECG #EKG #diagnosis ... electrocardiogram #cardiology ... Interpretation #differential