10 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 ... Reverse Halo Sign ... ARDS 3. ... Vascular Enlargement ... #CTChest #diagnosis
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
normal-sized heart and vascular ... structures help in the differential ... diagnosis of pulmonary ... #Clinical #Radiology ... #CXR #ChestXRay
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... Diagnosis of Miliary ... #differential # ... #CXR #clinical ... #CT
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Fraction (HFrEF) Clinical ... un lymphatic Diagnostic ... of CXR congestion ... Inhibitors and ARBs ... #management #cardiology
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
the duodenum Clinical ... Signs/Symptoms: ... • Should be on differential ... • CT findings ... Management #Summary #vascular
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
neuroexam - Oral cavity ... event, follow ACC algorithm ... Change in clinical ... one post op Cardiology ... stratification #diagnosis
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... diagnosis in this ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #
Handlebar Traumatic Injury 
Young girl presents to you after low energy, helmeted bicycle accident. Her vitals
re-exams (normal CXR ... She is sent to CT ... and/or delayed diagnosis ... Keep this injury pattern ... on your differential
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 ... chest radiograph pattern ... not seen on a CXR