65 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 hypertension ... #Diagnosis #ECG ... #EKG #Management
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Extrinsic compression (e.g ... atelectasis • Lung ... CNS depression (e.g ... wall compliance (e.g ... #Diagnosis #Management
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Hypoxia and Hypoxemia ... (e.g low cardiac ... carrying capacity (e.g ... cannot use oxygen (e.g ... #summary #pulmonary
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... evaluating for other causes ... cardionerds #EKG ... #EKG #Pulmonary ... Embolism #AcutePE #diagnosis
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... High altitude (eg ... shunting (eg, pulmonary ... intracardiac shunting (eg ... #Differential #Diagnosis
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Algorithm Pulmonary ... Disease and/or ... Hypoxemia: • COPD ... #Algorithm #Causes
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. ... #Table #Causes
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... WPW - delta wave and ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Diagnosis Algorithm ... Benign Neoplasm (eg ... cannonball lesions"; Eg ... #Algorithm #Causes ... #Pulmonary
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Algorithm Elevated ... Polycythemia - Acquired Causes ... : Cardiac/pulmonary ... Paraneoplastic (e.g ... Matthew Ho, MD