20 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 ... Symptoms • Sleep
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... Findings: Variably abnormal ... Spirometry often normal ... or near normal ... : Persistently abnormal
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Oxygen therapy - Pulmonary ... cause can improve ... blood gas - pO2 normal ... Peripheral #Comparison #Signs ... #Symptoms
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 ... #CT #Lung #Pulmonary
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 ... Radiology #CXR #Normal ... #Labeled #Azygoesophageal
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
• Cephalic symptoms ... Increased ESR and/or CRP ... Doppler US : halo sign ... efficacy of GCs Abnormal ... Ophthalmology #Diagnosis #Algorithm
McConnell's Sign on POCUS Echocardiogram - PSAX
Positive McConnell's Sign (hypokinetic RV with apical sparing) indicates acute
on POCUS Echocardiogram ... highly specific for pulmonary ... right setting, but can ... infarct & acute chest ... clinical #cardiology #labeled
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... initial response to abnormal ... /signs should be ... *Abnormal USS may ... #LFTs #Abnormal
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Metastatic bone tumors can ... metastasis: • Breast ... look whiter than normal ... look darker than normal ... Signs/Symptoms:
Polycythemia Vera (PV) - Diagnosis and Management Summary
Diagnostic Criteria:
 • Elevated hemoglobin and/or hematocrit AND
 •
JAK2 mutation OR Abnormally ... , signs, and complications ... can include: ... • Treatment algorithms ... concentration in the normal