24 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Measurement General ... #QTc #Interval ... #Normal #Measurement ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
Measurement in ... #QTc #Interval ... #Measurement #WideQRS ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
Measurement in ... intervals on the EKG ... #Measurement #Irregular ... Rhythm #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
Measurement in ... include it in the measurement ... #Measurement #UWave ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
#Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram ... #differential
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
, e.g., due to arrhythmias ... (ruling out differential ... further guide management ... orthostatic vital sign measurements ... and an initial ECG
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... Medication side effect (e.g ... Medication side effect (e.g ... #Table #Causes
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... widened QRS and QTc ... #AVR #leadAVR #ecg ... #diagnosis #ekg
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on ECG ... Triage EKG (no prior ... Differential/diagnosis ... See thread for POCUS ... #EKG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential