7 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Reverse Halo Sign ... Halo Sign 6. ... Vascular Enlargement ... Patterns #Lung #Pulmonary ... #CTChest #diagnosis
Extrapulmonary manifestations of COVID-19
 • Neurologic: Headaches, Dizziness, Encephalopathy, Guillain-Barré, Ageusia, Myalgia, Anosmia, Stroke
 • Renal:
manifestations of COVID ... vein thrombosis, Pulmonary ... ischemia, Acute cor ... Extrapulmonary #Diagnosis ... #Signs #Symptoms
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Rheumatoid arthritis (RA ... pleural effusion on CXR ... interstitial lung disease/pulmonary ... pathophysiology #signs ... #symptoms #diagnosis
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
More Specific Signs ... Less Specific Signs ... Chest x-ray: signs ... acute HF → no signs ... of CXR congestion
Rheumatoid Arthritis - Signs and Symptoms
 • Ocular: Keratoconjunctivitis sicca, Episcleritis, Scleritis, Scleromalacia perforans
 • Pulmonary:
Rheumatoid Arthritis - Signs ... Scleromalacia perforans • Pulmonary ... Rheumatoid #Arthritis #RA ... #Signs #Symptoms ... #diagnosis #rheumatology
Evaluation of Recurrent Falls

Core Concept:
Maintaining an upright posture requires the integrated function of multiple systems.
Disruption in
cardiogenic) - Pulmonary ... presyncope, exertional symptoms ... positive Romberg sign ... slippery surfaces • Psychiatric ... Recurrent #Falls #Diagnosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... structural and vascular ... a chest x-ray (CXR ... not seen on a CXR ... #Radiology #CTChest