145 results
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
provide the earliest clues ... repolarization causes ... in conduction causes ... #Hyperkalemia #EKG ... #ECG #Changes #
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... • The cannon a wave ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Deep T Wave Inversions ... Juvenile T wave ... Differential #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Ventricular Tachycardia in Wide Complex Tachycardia - Telemetry Diagnosis
 • Lead V1 - LBBB Criteria
 •
• Lead II - R-Wave ... aVR - Vereckie Algorithm ... #Algorithm # ... diagnosis #cardiology #ekg ... #ecg #telemetry
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management Algorithm ... potassium and ECG ... amplitude of P waves ... - Absence of T wave ... diagnosis #management #algorithm
There are two patterns of T-wave abnormality in Wellens’ syndrome:
-Type A = Biphasic, with initial positivity
patterns of T-wave ... negativity (25% of cases ... inverted (75% of cases ... Diagnosis #Cardiology #ECG ... #EKG #Wellens #
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... nodal conduction Uses ... Digoxin effect on ECG ... or biphasic T waves ... Cardiology #Digitalis #ECG
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... replaced by T wave ... voltage Other Causes ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Vereckie Algorithm - Lead aVR - Ventricular Tachycardia - Telemetry Diagnosis
WCT is VT IF:
 • Initial
Vereckie Algorithm ... Initial r or q wave ... #Vereckie #Algorithm ... diagnosis #cardiology #ekg ... #ecg #telemetry
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
specificity for EKG ... EKG is helpful in ... evaluating for other causes ... • Dominant R Wave ... in relation to ECG