7 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest CT ... Vascular Enlargement ... #Lung #Pulmonary ... #ChestCT #radiology ... #CTChest #diagnosis
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
- Differential Diagnosis ... Malformation Normal ... CXR/CT • Hematemesis ... Abnormalities • CHF ... polyangiitis Vascular
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
- Differential Diagnosis ... Framework NCPE Pathophysiology ... ischemic changes CXR ... vascular congestion ... #cardiology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
ATRA treatment Pathophysiology ... common • Imaging: CXR ... - pulmonary opacities ... sepsis), PE, DAH, CHF ... 500 mg QD until normal
Basics of Waveform Capnography
Waveform capnography assesses ventilation by monitoring exhaled carbon dioxide
Can use measurement and morphology
cycle to uncover pathophysiology ... C02 (PECO2) • Abnormal ... pathophysiology ... oscillations - Sign ... #diagnosis #pulmonary
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... purpura: Strong sign ... pulse deficits vascular ... strength & enzymes normal ... affects the skin, neurologic
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... structural and vascular ... chest radiograph pattern ... defaulting to a normal ... #Radiology #CTChest