15 results
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
look like the sinus ... #PACs #premature ... #atrial #complexes ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Coronary Syndrome (ACS ... characterized by complete ... #Diagnosis #Cardiology ... #ACS #Unstable ... Text: The Only EKG
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
ST elevation in ACS ... includes ACS vs ... aVR instead of ACS ... findings: Sinus ... tachycardia • Narrow complex
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervening QRS complex ... Wandering Atrial ... #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Lose P • 3° Complete ... through) QRS Complex ... Electrocardiogram #cardiology ... #diagnosis #system
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT with BBB All ... Fusion beats - a sinus ... VT #VTach #SVT #Comparison ... #ekg #cardiology ... #diagnosis #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... Framework STEMI ... bundle-branch block; and sinus ... "pinched off" as ... #cardiology #ecg
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Adrenergic Drive: • Sinus ... also a result of atrial ... Incomplete or Complete ... • Dominant R Wave ... Embolism #AcutePE #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervening QRS complex ... Wandering Atrial ... #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... of the leads l, aVL ... discordant QRS complex ... #EKG #diagnosis ... #differential #cardiology