17 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... Vascular Enlargement ... #CTChest #diagnosis
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
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 #
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 ... #management #cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
is unconscious, signs ... symptoms may include chest ... consultation with cardiology ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
is a radiologic sign ... may aid in the diagnosis ... CT angiography. ... #photo #CXR #EmergencyMedicine ... #Cardiology #HamptonHump
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia
Causes: thrombus, fat, amniotic fluid, air/gas.
Signs: hypotension, tachycardia,
Signs: hypotension ... unexplained loss of cardiac ... removal – consult vascular ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
Cardiac Tamponade ... indicated, start CPR ... examination and vital signs ... Plan definitive management ... #Management #Workup
Local Anaesthetic Toxicity - Guidelines for Crises in Anaesthesia
Signs of severe toxicity:
 • Sudden alteration in
in Anaesthesia Signs ... problem. ❸ Call for cardiac ... Start continuous CPR ... Intraoperative #Checklist #Diagnosis ... #Management #Workup