11 results
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... electrolytes, urea ... investigations abnormal ... clinical context and signs ... renal biopsy • Abdominal
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... distinct radiographic areas ... of low, normal ... attenuation • DDx: sub-acute ... #CT #Lung #Pulmonary
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Mediterranean areas ... by serositis • Acute ... in the knee-to-chest ... Positive Carnett's sign ... #Pain #differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... resolution falling to normal ... Brucellosis Faget's Sign ... Brucellosis • Liver or lung ... #Differential #
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
tests algorithm ... clinical symptoms/signs ... evaluation of the pattern ... Areas of diagnostic ... Liver #Enzymes #Differential
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... Diagnosis Algorithm ... CA, small cell lung ... function may be abnormal ... #diagnosis #algorithm
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... Exam: Can be normal ... lymphadenopathy, • Abdominal ... AIDS #pulmonary #differential
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
duodenum Clinical Signs ... , and palpable abdominal ... • Should be on differential ... how long ago ... patients with acute
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan: the mosaic pattern ... Signs of fibrosis ... mid and lower lung ... included in the differential ... Clinical #Radiology #CTChest
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... radiograph pattern ... defaulting to a normal ... consider intra-abdominal ... #Lung #Pulmonary