13 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... #Diagnosis #Radiology ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table ... #RadiologyAssistant
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
the pacemaker shifts ... #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical ... #comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... #Clinical #Diagnosis ... #Radiology #CTChest ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... show very similar HRCT ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... #Clinical #Radiology ... Carcinomatosis #Mimic #Differential ... #Comparison #Table ... #RadiologyAssistant
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
cut-offs defined in clinical ... formulations (e.g ... BAL GM does not differentiate ... Galactomannan #diagnosis ... #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
the pacemaker shifts ... #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical ... #comparison
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... excludes other differentials ... that’s called “clinical ... Awaves #AVNRT #PhysicalExam