13 results
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
โ€ข
Second Degree Heart ... โ€ข PR interval ... #SecondDegree #HeartBlock ... #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

โ€ข p waves are normal 
โ€ข QRS complexes are usually
Second Degree Heart ... branch block โ€ข PR intervals ... #SecondDegree #HeartBlock ... #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 โ€ข Prolonged PR >200ms (5 small squares).
 โ€ข Narrow
, Mobitz II HeartBlock ... โ€ข PR intervals ... P and QRS โ€ข Atrial ... #electrocardiogram ... #ecg #cardiology
Atrial Fibrillation w/incomplete RBBB, Prolonged QTc (510ms), TWI in Leads III, V2 and V3. Inconsistent electrical
Atrial Fibrillation ... RBBB, Prolonged QTc ... Inconsistent electrical alternans ... #EKG #Electrocardiogram ... #Cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on ECG ... waves - Short QT ... interval Dr. ... #EKG #Cardiology ... #Digitalis #ECG
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... /QTC Interval: ... โ€ข QT interval is ... #Electrocardiogram ... #cardiology #diagnosis
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR interval ... independently of the atria ... Blocks #heart #heartblock ... #cardiology #ecg ... #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 1ยบ - long PR intervals ... bradyarrhythmia #ECG ... #electrocardiogram ... #cardiology #differential
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
injury from pericardial ... widened QRS and QTc ... interval, RAD 130 ... #electrocardiogram ... #differential #cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... dextrocardia, normal Intervals ... : WPW, ectopic atrial ... #electrocardiogram ... #cardiology #interpretation