21 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
disease (COPD) • Hypoxia ... • Pulmonary hypertension ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... EKG is helpful in ... evaluating for other causes ... #EKG #Pulmonary ... #diagnosis #cardiology
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism ... on ECG Mid ... Triage EKG (no prior ... Differential/diagnosis ... #Embolism #ECG
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... High altitude (eg ... embolus SHUNT ... Intrapulmonary shunting (eg ... intracardiac shunting (eg
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... life-threatening causes ... Pneumothorax • Pulmonary ... embolism • Cardiac ... Initial workup: • EKG
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
if suspected (e.g ... with multiple embolic ... block (+/- daily EKG ... of infection (e.g ... #diagnosis #management
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
- Differential Diagnosis ... Respiratory: • Pulmonary ... EmbolismHypoxia ... Syndrome #Syncope #Cardiology ... #Algorithm #causes
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Algorithm Elevated ... Polycythemia - Acquired Causes ... : • Hypoxia-driven ... : Cardiac/pulmonary ... Paraneoplastic (e.g
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Benign Neoplasm (eg ... cannonball lesions"; Eg ... Tuberculosis • Septic Embolism ... #Algorithm #Causes ... #Pulmonary
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
- Differential Diagnosis ... Causes include: ... level <100 pg/ml EKG ... embolism • Re-expansion ... #cardiology