9 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Differential #Comparison ... #Table #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
film (Table). ... logical sequence of signs ... In daily clinical ... #Diagnosis #Radiology ... #Findings #Signs
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Fraction (HFrEF) Clinical ... More Specific Signs ... Less Specific Signs ... Chest x-ray: signs ... acute HF → no signs
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
starts with a good history ... Signs of poor perfusion ... Signs of congestion ... #treatment #table ... #pharmacology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Preoperative Risk Evaluation ... Medical history ... Change in clinical ... unless prior heart/lung ... stratification #diagnosis
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
originates in the lung ... their differential diagnostic ... the comet tail sign ... #Clinical #Radiology ... Atelectasis #CometTail #Sign
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... renal failure Clinical ... e.g. incidental CXR ... • Natural history ... #Management #Signs
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... x-ray (CXR), try ... not seen on a CXR ... #Radiology #CTChest ... #Lung #Pulmonary