11 results
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... recognized that this pattern ... was caused by multiple ... the central dot sign ... Clinical #Radiology #CXR
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Non-Infectious Causes ... Typhus Inversus Pattern ... usual diurnal pattern ... Lymphomas #Fever #Patterns
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Mediterranean areas ... by serositis • Acute ... associated with mild ... Positive Carnett's sign ... Abdominal #Pain #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... • Is there a pattern ... noninflammatory Signs ... weeks) Can Be Caused ... an asymmetric pattern
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... The histologic pattern ... indistinguishable from acute ... Clinical #Radiology #CTChest ... AcuteInterstitialPneumonia #ILD
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... customary headache patterns ... lesions in other areas ... headache #redflags #signs ... #symptoms #differential
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 ... produces only mild ... Diagnosis #Radiology #CXR ... Lobar #Collapse #Patterns
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan: the mosaic pattern ... Signs of fibrosis ... with a mozaic pattern ... included in the differential ... Clinical #Radiology #CTChest
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Face, upper back, chest ... associated with signs ... honey-colored crusts ... Christmas tree pattern ... dermatology #rash #differential
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... x-ray (CXR), try ... radiograph pattern ... not seen on a CXR ... #Radiology #CTChest