9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... low attenuation (table ... common pattern ... seen and in many cases
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
(distributive, ... Bradyarrhythmias, Some cases ... be used in all types ... Vasopressors #Inotropes #comparison ... #table #pharmacology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... perilymphatic distribution ... CTChest #Nodular #Pattern ... NodularPattern #Differential ... #Comparison #Table
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... of distribution ... more than one pattern ... lobar pneumonia caused ... Radiology #Pulmonary #CXR
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... findings based on cause ... Distributive (↓ ... Diagnosis #table ... #comparison #criticalcare
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
has a limited differential ... The most common causes ... the different types ... Diagnosis #Radiology #CXR ... Lobar #Collapse #Patterns
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
formerly BOOP • Type ... Unknown • 6-7 cases ... - Imaging: • CXR ... : Peripheral distribution ... consolidation and GG pattern
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
the most common types ... Patterned hair ... alopecia in 5% of cases ... scalps #Alopecia #types ... #differential #
Handlebar Traumatic Injury 
Young girl presents to you after low energy, helmeted bicycle accident. Her vitals
re-exams (normal CXR ... in over 80% of cases ... and hemorrhagic shock ... Keep this injury pattern ... on your differential