8 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Embolism, Obstructive ... , Interstitial Lung ... Gradient #alveolar #arterial ... #differential #diagnosis
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... On a Chest X-Ray ... #Diagnosis #Radiology ... #Pulmonary #CXR
Lung infarction
The radiographic features of acute pulmonary thromboembolism are insensitive and nonspecific.
The most common radiographic findings
Lung infarction ... Embolism Diagnosis ... emboli the chest ... x-ray is normal ... #Clinical #Radiology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
we describe a chest ... X-ray, we are trying ... #Differential #Table ... #Pulmonary #Diagnosis ... #Radiology
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
help AND check arterial ... X-ray. ... o Circulatory embolus ... o Aspiration, pulmonary ... Intraoperative #Checklist #Diagnosis
Intraoperative Hypoxia / Desaturation / Cyanosis - Guidelines for Crises in Anaesthesia
Using these steps from start
help AND check arterial ... o Circulatory embolism ... o Aspiration, pulmonary ... Intraoperative #Checklist #Diagnosis ... Management #Workup #anesthesia
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
complications from anesthesia ... murmur 3/6) - Pulmonary ... X-ray: • Not ... unless prior heart/lung ... stratification #diagnosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
There is point tenderness ... of breath and point ... wall, a chest x-ray ... #Radiology #CTChest ... #Lung #Pulmonary