10 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
flutter (3) SVTs ... 3 different P waves ... block (lower AV ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... rhythm, Conduction blocks ... (1°, 3° and Type ... system: Conduction blocks ... (1°, 3°, and Type
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Neck Examination ... : 3rd deg AV block ... dual-chamber PPM set ... for DDI and an atrial ... tachycardia much
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Type 1 (Weinckebach ... Type 2 "If some ... independently of the atria ... and the rate is set ... #ekg #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... elevation: Differential ... tachycardia (SVT ... criteria only looks ... #differential #
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... Type I - PR ↑ incrementally ... Type II - Suddenly ... progression ST
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... pathway which blocks ... - Premature atrial ... ECG usually shows ... Pathophysiology #cardiology #SVT
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... in the chest or neck ... variable block ... atrioventricular block ... Palpitations #Cardiology #Differential
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Bundle branch block ... EKG Findings ... capture of the atria ... may not occur Differential ... arrhythmia • Atrial
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
ARBs, NSAIDs, β-blockers ... Aldosterone, RTA Type ... Peak T, flat P, ST ... bradycardia → sine wave ... Monitor for tachycardia