11 results
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
= 3s; #QRS in 6s ... II (3) 60-100 bpm ... ) - HiPR: AV block ... rsr'), V-pacemaker ... electrocardiogram #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Treatment: Pacemaker ... • Block in AV ... HeartBlocks #Types #Classification ... electrocardiogram #ecg ... #cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... by a junctional pacemaker ... an infra-Hisian pacemaker ... #AVBlock #cardiology ... electrocardiogram #classification
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
In sinus rhythm ... really no P and QRS ... • The QRS is ... AVBlock #Complete #cardiology ... #ekg #ecg #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
different P waves in ... lower AV cells can ... - ventricular pacemaker ... bradyarrhythmia #ECG ... electrocardiogram #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... encompassing a QRS ... an intervening QRS ... presence of AV block ... Sinus #Arrhythmia #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... encompassing a QRS ... an intervening QRS ... presence of AV block ... Sinus #Arrhythmia #cardiology
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
patient, Crash Cart in ... AMS, SOB from CHF ... : Bad block? ... Set pacemaker to ... differential #management #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
tachycardia, widened QRS ... QTc interval, RAD ... aVR > 0.7: ppv ... criteria only looks ... #differential #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Pardee's sign" + PPD ... Bundle Branch Block ... bundle-branch block ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram