23 results
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Causes of Cough ... Abscess - Asthma ... Cancer of the Lung ... Cough #Hemoptysis #Differential ... #Causes #Table
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... : • 3 syndromes ... of a "flu-like syndrome ... factor • May cause ... AIDS #pulmonary #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Lung abscess ... Pleuritic chest pain ... Abscess Differential
Right Upper Quadrant Pain
Liver:
 - Infectious: Acute viral hepatitis, Liver abscess
 - Non-infectious: hepatitis (Alcohol, Medications),
Upper Quadrant Pain ... ), Budd-Chiari syndrome ... Choledocholithiasis Other: RLL Pneumonia ... differential #diagnosis ... #causes #abdominalpain
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... pleura in severe cases ... - Dynamic air ... Respiratory Distress Syndrome ... #pulmonary #differential
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Effusion - Differential ... Pneumonectomy • Trapped lung ... Infectious: • Pneumonia ... • Subphrenic abscess
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... carcinoma of the lung ... pathology (e.g. pneumonia ... SSRIs) Severe pain ... #Causes #Sodium
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... (most common: lung ... #Differential # ... Diagnosis #causes ... #primarycare #table
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Causes - Differential ... Long-standing vs ... Epigastric/LUQ ... • Splenomegaly/Abscess ... #Differential #
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... Streptococcus pneumoniae ... - Ramsay Hunt syndrome ... , abscess, pulpitis ... subdural hematoma, lung