12 results
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
- Bacterial Pneumonias ... Tuberculosis - Lung ... Cancer of the Lung ... Cough #Hemoptysis #Differential ... #Causes #Table
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... Pneumothorax, Thrombosis ... (lungs: massive ... #arrest #HsTs #Differential ... #Diagnosis #Table
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 ... - Deep Vein Thrombosis ... #pulmonary #differential
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Infarction • Stable ... Embolism (chest pain ... Parenchymal • Pneumonia ... Noncardiac #Cardiology #Differential
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
carcinoma of the lung ... pathology (e.g. pneumonia ... SSRIs) Severe pain ... #Diagnosis #Table ... #Causes #Sodium
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Pleuritic chest pain ... antibiotics once stable ... shows a small, stable ... Abscess Differential ... #causes #management
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
Main Lung Ultrasound ... superimposed bacterial pneumonia ... areas #COVID19 #POCUS ... #Lung #Ultrasound ... #Comparison #Table
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 ... Chronic portal vein thrombosis ... Epigastric/LUQ ... #Differential #
Lemierre's Syndrome on Neck POCUS with IJ Thrombosis - Transverse View

Male with high fever and right
Syndrome on Neck POCUS ... with IJ Thrombosis ... Differential/diagnosis ... Lemierre's Syndrome case ... septic emboli in lungs