9 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 ... Organizing Pneumonia ... #CTChest #diagnosis
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... symptoms (e.g., ... chest pain) and signs ... #Pulmonolary
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
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
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... Signs/Symptoms: ... Yield of blood CX ... #CAP #Diagnosis ... Management #treatment #Pulmonary
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
e.g. incidental CXR ... Pulmonary: dyspnea ... acute sarcoidosis Pulmonary ... anterior/posterior MSK ... #Management #Signs
Diffuse Systemic Sclerosis (Scleroderma)
 - Pulmonary Fibrosis -> Crackles, Abnormal CXR
 - Pulmonary Hypertension, Right Heart
Scleroderma) - Pulmonary ... Crackles, Abnormal CXR ... Renal Failure - Mask ... pathophysiology #signs ... #symptoms #diagnosis
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