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Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
Mediastinal masses ... #Mediastinal #Mass ... #Differential # ... Table #Anterior ... #Middle #Posterior
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
- Differential ... fibroma/sarcoma) Middle ... Tumors • Vascular Mases ... #Differential # ... #posterior
Causes of Mediastinal Mass - Differential Diagnosis Algorithm
Anterior Mediastinal Mass:
 • Thyroid
 • Thymoma
 • Teratoma
Causes of Mediastinal ... Mass - Differential ... Terrible" Lymphoma Middle ... , Esophageal) Posterior ... #Mediastinum #Differential
Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
Mediastinal Widening - Differential ... Pulmonary: Upper or middle ... Atelectasis, Nodule / mass ... • Masses: Anterior ... mediastinal, Posterior
Mediastinal Mass - Differential Diagnosis Framework

Anterior Mediastinal Mass - 5T’s
 • Thymic neoplasm
 • Teratoma (or
- Differential ... (Aneurysm) Middle ... • Middle Mediastinum ... of posterior mediastinal ... #Differential #
Upper GI Bleed - Management Algorithm

Upper GI bleed Suspected: Melena, hematemesis, coffee-ground emesis, BRBPR
Initial Stabilization
Concern for
Upper GI Bleed - Management ... Consult GI ± EGD Causes ... Disease • Variceal Bleeding ... UGIB #GIBleed #Differential ... gastrointestinal #gastroenterology
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
The table on the ... is the overall table ... #Mediastinal #Mass ... #Differential # ... #Middle #Posterior
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
Diagnosis and Management ... palpable abdominal mass ... • Should be on differential ... Management: SURGERY ... Fistula #Diagnosis #Management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... • Large volume feeding ... Lung Abscess Differential ... Abscess #pulmonary #differential ... #causes #management
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
irrigation • Management ... Kidney stones caused ... roentgenography • Bleeding ... with specific bleeding ... #Medications #Table