42 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:
CBC, vitamin D level ... ventilated • CXR, Lung ... doppler, CTA • ECG ... #AECOPD #Algorithm ... Exacerbation #treatment #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
760 mm Hg at sea level ... High altitude (eg ... : Interstitial lung ... shunting (eg, pulmonary ... intracardiac shunting (eg
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Polyuria scheme) e.g ... • Decreased level ... Hypernatremia #Nephrology ... #Causes
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
Diagnosis Algorithm ... • Metastases (e.g ... Lung, Colon, Breast ... Differential #Diagnosis #Algorithm ... #Causes
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Extrinsic compression (e.g ... atelectasis • Lung ... CNS depression (e.g ... Neuromuscular disorders (e.g ... wall compliance (e.g
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 ... hemorrhage) - Pulmonary ... pathology (e.g.
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Diagnosis Algorithm ... Benign Neoplasm (eg ... cannonball lesions"; Eg ... Differential #Diagnosis #Algorithm ... #Causes #Pulmonary
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 ... #causes
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... HDS, drugs, OTC (record ... of information (e.g ... for alternative causes ... vascular disorder (e.g