18 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... disease (COPD) ... • Hypoxia • Pulmonary ... #Diagnosis #ECG ... #EKG #Management
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
Exacerbation of COPD ... doppler, CTA • ECG ... COPD Assess ... MatthewHoMD #COPD ... #AECOPD #Algorithm
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
pneumothorax, COPD ... atelectasis • Lung ... CNS depression (e.g ... wall compliance (e.g ... #differential #Diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... sliding COPD or ... #differential #diagnosis ... #signs #Lung #POCUS ... #ultrasound #findings
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... carcinoma of the lung ... CNS pathology (e.g ... pathology (e.g. ... pneumonia, COPD
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
- Congenital (e.g ... HHT), Acquired (e.g ... Vasodilation Lung ... Disease - Especially COPD ... #cardiology #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... High altitude (eg ... Pneumonia, asthma, COPD ... Intrapulmonary shunting (eg ... intracardiac shunting (eg
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
85% of predicted value ... pts with severe COPD ... : EKG ($), ECHO ... Stress #Testing #cardiology ... #management #diagnosis
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
fracture from a lung ... Notice the large lung ... a patient with COPD ... #Clinical #Radiology ... #CXR #Old #RibFracture
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... vascular diseases (e.g ... #Diagnosis #Radiology ... #Pulmonary #CTChest