21 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Relative - Normal ... Positive - Low/Normal ... Saturation 90%, Abnormal ... carboxyhemoglobin, Abnormal ... Heart Disease Abnormal
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
- Differential ... Diagnosis Algorithm ... High Prolactin + Normal ... Hormone Intake • Chronic ... High Prolactin + Normal
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Differential Diagnosis ... Algorithm Red ... in cough) • Abnormal ... exam, etc) • Abnormal
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
intolerance • Chest ... summation gallop • Abnormal ... ECG, echocardiogram ... Immunosuppressants (chronic ... Diagnosis #Management #Cardiology
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
which part is abnormal ... process adjacent to normal ... lung - Normal lung ... #Pulmonary #CTChest ... #Attenuation #Differential
PA view
On the PA chest-film it is important to examine all the areas where the lung
for instance the normal ... with loss of the normal ... the silhouette sign ... Clinical #Anatomy #Radiology ... #CXR #Normal #Labeled
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... distinct radiographic areas ... of low, normal ... #Head #Cheese #Sign ... Pulmonary #diagnosis #radiology
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
thickening - lack of normal ... A signet-ring sign ... patients with chronic ... #Diagnosis #Radiology ... Bronchiectasis #Differential
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... Look for other signs ... may still have a normal ... heart due to a chronic ... #Diagnosis #Radiology
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Diagnosis Algorithm ... menstruating Ovarian - Normal ... progesterone challenge, normal ... prolactin, chaotic ... Prolactinoma • Chest