17 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Algorithm True ... symptoms/signs, ... Glomus Tumors - Vascular ... #Diagnosis #Algorithm
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... or minutes with vascular ... Long symptom-free ... #Algorithm #differential ... #diagnosis #neurology
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Reverse Halo Sign ... Halo Sign 6. ... Vascular Enlargement ... #CTChest #diagnosis
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
Progressing to diffuse alveolar ... involvement, with “white lung ... normal-sized heart and vascular ... the differential diagnosis ... #CXR #ChestXRay
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
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
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
PERIPHERAL VERTIGO ... or minutes with vascular ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
position Obstructive lung ... The following signs ... increased width of the vascular ... #Clinical #Radiology ... #CXR #CHF #Alveolar
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
is a radiologic sign ... periphery of the lung ... may aid in the diagnosis ... #photo #CXR #EmergencyMedicine ... #Cardiology #HamptonHump