9 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... Complete Heart Block ... • Block in AV ... HeartBlocks #Types #Classification
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... • PR interval ... There is constant PR ... #AVBlock #cardiology ... electrocardiogram #classification
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
First Degree AV Block ... with prolonged PR ... with progressive PR ... independently of the atria leading ... heartblock #cardiology #ecg
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
Diastolic Function Grading ... moderate diastolic dysfunction ... LV compliance), ECG ... #Grading #Classification ... Grades #Criteria #Table
Compelling and Possible Contraindications to Antihypertensive Drugs
Diuretics (thiazides)
 - Gout
 - Metabolic syndrome, Glucose intolerance, Pregnancy,
diltiazem) - AV block ... Pgp-dependent drugs (e.g ... - Asthma, AV block ... Depression, AV block ... contraindications #table
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: • MOA: Block ... : • MOA: Block ... primarily) and block ... : • MOA: Block ... velocity) - ↑ PR
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... pauses • AV block ... Medication side effect (e.g ... Differential #Diagnosis #Classification ... #Table #Causes
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
heart is pounding, racing ... exam • 12-lead ECG ... with variable block ... atrioventricular block ... or sinus node dysfunction
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Maternal Bradycardia:
Abnormal Fetal HR Tracing ... Differential Diagnosis Algorithm ... congenital heart block ... (e.g. ... Differential #Diagnosis #Algorithm