236 results
Mechanism of Action of Bile Acid Sequestrants
Bile Acid Sequestrants → ↓ Hepatic Bile Acid Pool →
Expression → ↑ VLDL ... /Secretion → ↑ LDL ... Production → ↑ LDL ... Receptors → ↑ LDL ... Clearance → ↓ Plasma LDL-C
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Hypothyroidism Decreased HDL ... Androgens Increased LDL ... ApoB-100 • LDLr ... • Familial LPL
Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
Lobar consolidation ... consolidation is lobar ... common diagnosis is lobar ... Pulmonary #CXR #Lobar
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... most likely a lobar ... This was an acute lobar ... AirBronchogram #RUL #Lobar
Risk factors for atherosclerosis

Modifiable risk factors:
 - Dyslipidemia (elevated LDL, decreased HDL)
 - Tobacco smoking
 -
Dyslipidemia (elevated LDL ... , decreased HDL)
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
- Lobar or focal ... For instance a lobar ... Consolidation #Lobar
Ranson's Criteria in Pancreatitis 
At Admission: 
 - Age > 55 years 
 - WBCs >
Glucose > 200 mg/dl ... - LDH > 350 ... BUN rise > 5 mg/dl ... Calcium < 8 mg/dl
Here are the most common examples of these four patterns on a chest x-ray (click image
Consolidation - Lobar
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
Sometimes the LLL ... the collapsed LUL ... the air in the LLL ... Luftsichel #Sign #LUL
Left lower lobe atelectasis - There is a triangular density seen through the cardiac shadow.
This must
Radiology #CXR #LLL ... #Lobar #Collapse