16 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... Class I (Ia, Ib ... • Widens QRS complex ... VaughanWilliams #Classification ... #Classes #cardiology
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
Wide Complex Tachycardia ... • Wide Complex ... Ventricular pacing • Electrocardiogram ... WCT #diagnosis #cardiology ... #ekg #ecg #electrocardiogram
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Classic Digoxin-Associated ... Fibrillation with Complete ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
wave in aVR • Classic ... aVR in narrow cornplex ... tachycardia • Narrow complex ... #leadAVR #ecg #electrocardiogram ... #differential #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Pacemaker 3rd Degree, Complete ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram ... #ecg #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... or in-complete ... voltage Other Causes ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Incomplete or Complete ... AcutePE #diagnosis #cardiology ... #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• The QRS complex ... may progress to complete ... blocks #AVBlock #cardiology ... ecg #diagnosis #electrocardiogram ... #classification
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
II - Antigenic modification ... cell surfaces causes ... antigen-surface complex ... antibody-antigen complexes ... Reactions #Types #Classification
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... The most common causes ... / hypoxemia -> focus ... the patient’s complete ... #typea #typeb #classification