8 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. ... #Pulmonary #ChestCT ... #radiology #CTChest ... #diagnosis
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Algorithm True ... symptoms/signs, ... Dizziness #Vertigo #Neurology ... #Algorithm #Causes
Radiographic Signs of Lobar Collapse
General findings to look for:
 • Crowding of ribs near collapse
 •
Radiographic Signs ... • Mediastinal shift ... lobar #collapse #pulmonary ... #lung #signs #radiology ... #diagnosis
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... disorder (Cardiac, pulmonary ... Lack of UMN/LMN signs ... myopathies, the muscular ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Long symptom-free ... Vascular disorders ... signs or symptoms ... #differential #diagnosis ... #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... • Symptoms and signs ... Vascular/Blockage ... #neurology #differential ... #algorithm
Lazarus Reflex on Physical Exam

The Lazarus sign is a reflex movement observed in brain-dead or brainstem
The Lazarus sign ... after brain death diagnosis ... with the Lazarus sign ... PhysicalExam #clinical #video ... #neurology #criticalcare
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... Several of the diagnoses ... structural and vascular ... #Radiology #CTChest ... #Lung #Pulmonary