22 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
lung disease (COPD ... • Hypoxia • Pulmonary ... of underlying condition ... MAT #Cardiology #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
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... - Differential Diagnosis ... • Asthma • COPD ... Pneumonia • ARDS • COPD ... #Algorithm #Causes
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Extrinsic compression (e.g ... pneumothorax, COPD ... CNS depression (e.g ... wall compliance (e.g ... #differential #Diagnosis
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... pathology (e.g. ... pneumonia, COPD ... #Table #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
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Pulmonary/Chest ... Acute: Trauma, COPD ... Chronic: Asthma, COPD ... Neuromuscular disease (eg ... Metabolic acidosis (eg
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Blood Pressure, Pulmonary ... Resistance, Main Uses ... Book of Critical ... #Pharmacology #
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
• They must be able ... production to cause ... pts with severe COPD ... ventricular arrythmias Diagnostics ... : EKG ($), ECHO
Muscarinic Receptor Agonists and Antagonists 
Muscarinic Receptor Agonists
Methacholine
 • Diagnosis of bronchial airway
Carbachol
 • Glaucorna (topical
Methacholine • Diagnosis ... symptomatic bradycardia (e.g ... umeclidinium • COPD ... #Medications #Pharmacology ... #Table