18 results
diagnosis cardiology differential ecg ekg clinical comparison tachycardia arrhythmia atrial avblock rhythm summary variants 3rd antiarrhythmics atrioventricular blocks bradyarrhythmia bradycardia
Pacemaker Placement Indications Class I: • Third degree block • Advanced 2nd degree block • Symptomatic Mobitz
Pacemaker Placement ... unclear origin • Sinus ... arrest, prolonged PR ... • Reversible causes ... BrighamMedRes #Pacemaker
Shock - Differential Diagnosis by Classification Reflex Syncope - Vasovagal syncope • Prolonged standing
Differential Diagnosis by Classification ... bradycardia • Sinus ... pauses • AV ... Differential #Diagnosis #Classification ... #Table #Causes
The 4 Variants of Sinus Arrhythmia Phasic Sinus Arrhythmia: • The rate increases with respiration and decreases
4 Variants of Sinus ... The P wave and PR ... Wandering Atrial Pacemaker ... several cycle the pacemaker ... diagnosis #ekg #ecg #electrocardiogram
Syncope - Differential Diagnosis Algorithm Neurocardiogenic: • Vasovagal • Orthostatic Hypotension • Autonomic Neuropathy • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... : • Sick Sinus ... Block • Pacemaker ... #causes
Summary of Heart Blocks 1st Degree Heart Block: • Prolonged PR >200ms (5 small squares). • Narrow
• Prolonged PR ... • Treatment: Pacemaker ... • Treatment: Pacemaker ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram
Antiarrhythmics - Vaughan Williams Classification Class I (Ia, Ib, Ic) - Na+ Channel Blockade • Slows depolarization
Vaughan Williams Classification ... cells • Slows sinus ... rate and prolongs PR ... cells • Slow sinus ... #Classes #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias Tachyarrhythmias - HR > 100 Wide (1) VT - DANGER (2)
block 1º - long PR ... 200ms from longer pause ... successively longer PR ... - ventricular pacemaker ... EKG #diagnosis #electrocardiogram
The 4 Variants of Sinus Arrhythmia Phasic Sinus Arrhythmia: • The rate increases with respiration and decreases
4 Variants of Sinus ... The P wave and PR ... Wandering Atrial Pacemaker ... several cycle the pacemaker ... diagnosis #ekg #ecg #electrocardiogram
Causes of Tachycardia - Differential Diagnosis Algorithm Narrow Complex - Regular: • Sinus tachycardia • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... - Regular: • Sinus ... aberrancy • Pacemaker-facilitated ... #Causes #cardiology
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia: Belong to a group
Wandering Atrial Pacemaker ... irregular PP and PR ... : VARIANT OF SINUS ... focus from the sinus ... cardiology #ekg #ecg #electrocardiogram
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