14 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
on EKG Typical ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis #comparison
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
without typical inferior ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
on EKGInferior ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
on EKGInferior ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... nodal conduction Uses ... fibrillation and atrial flutter ... biphasic T waves - Short ... #EKG #Cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... evaluating for other causes ... Leads (VI-V3) +/- Inferior ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Atrial flutter ... 200ms from longer pause ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Saw-Tooth = Atrial Flutter ... Septal (V1-2) • Anterior ... de pointes • Short ... #Electrocardiogram ... #cardiology #diagnosis
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Differential/diagnosis ... inversions V1-V4 plus inferior ... seen in 34% of cases ... #EKG #Electrocardiogram ... #clinical #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
deWinter T waves - starts ... in avL - early inferior ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI