21 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Arterial Hypertension ... Defect ** • Atrial ... Malformation • Severe Pneumonia ... Abnormalities • Chest
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
claudication - Arterial ... sinusitis - pulmonary ... inflammation - Venous/arterial ... osteosclerosis) - Right atrial ... #Differential #Diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Simplified A-a (assumes Room ... Weakness, Loss of Chest ... Atelectasis, ARDS, Pneumonia ... Gradient #alveolar #arterial ... #differential #diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Arrhythmia • Atrial ... Thickening/Masses Chest ... Alveoli • Pneumonia ... #Differential #Diagnosis
Differentiating PAH from PVH - Echocardiography
Pulmonary Artery Hypertension (PAH):
 • RV size - Enlarged
 • LA
Echocardiography Pulmonary ... right to left • RVOT ... Echocardiogram #comparison #diagnosis ... #cardiology #pulmonary ... #arterial #venous
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... post-obstructive pneumonia ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #CXR
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
• Recurrent pneumonia ... endobronchial material ... aspirated foreign material ... • Calcified material ... #pulmonary
Polo Mint Sign on Chest CT
 • Partial filling defect in a blood vessel surrounded by
Polo Mint Sign on Chest ... CT • Partial filling ... a rim contrast material ... Sign #CT #Lung #Pulmonary ... #diagnosis #radiology
Left Atrial Myxoma on POCUS Echocardiogram - S4C view
Adult female having fatigue/DOE. Attributes to deconditioning. Starts
Left Atrial Myxoma ... Starts exercise ... Final diagnosis-left ... atrial myxoma. ... RJonesSonoEM #Atrial
Left Atrial Myxoma on POCUS Echocardiogram - A4C view
Adult female having fatigue/DOE. Attributes to deconditioning. Starts
Left Atrial Myxoma ... Starts exercise ... Final diagnosis-left ... atrial myxoma. ... RJonesSonoEM #Atrial