10 results
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
in obstructive lung ... CPAP - Continuous ... ) • Risk Of Clinical ... Ventilation #NIPPV #CPAP ... #criticalcare #management
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... #Crescent #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
emboli usually present ... CT demonstrates ... lesions than the chest ... film and can suggest ... abutting the pleura, air-bronchograms
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
quantify renal injury ... Other tests: • CT ... sparing of the lung ... CT ... differential #diagnosis #management
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... on a chest radiograph ... computed tomographic (CT ... lobar collapse, lung ... Hg with PEEP or CPAP
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... surrounded by a crescentic ... consolidation • DDx: COP ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... Loss of weight • Chest ... Nasal polyps and signs ... thickening, presence of air-fluid ... CT) • Broncho-arterial
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Acquired Pneumonia (CAP ... Obtain in severe CAP ... Pseudomonas) • Severe CAP ... radiographically confirmed CAP ... #Pneumonia #CAP
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Change in clinical ... OSA • Continue CPAP ... change CV risk Chest ... unless prior heart/lung ... medical and surgical management
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... SpO2 88% on room air ... This patient’s clinical ... exam findings and clinical ... Radiology #CTChest #Lung