23 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 ... calculate the QTc ... #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,
Approach to ECGs ... Syncope #Syndromes #ECG ... #diagnosis #cardiology ... #electrocardiogram ... #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... diagnosis includes ... widened QRS and QTc ... #electrocardiogram ... #diagnosis #ekg
Pleural Manometry Summary
Measurement of Intrapleural Pressures and Pleural Elastance during therapeutic thoracentesis can be used to
Manometry Summary Measurement ... intermittently (e.g ... Pleural #Manometry #diagnosis ... #management #pulmonary ... #differential #
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
syncope (ruling out differential ... diagnoses), ruling ... further guide management ... orthostatic vital sign measurements ... and an initial ECG
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
IV Mg infusion (e.g ... Hypermagnesemia #Differential ... #Diagnosis #High ... #Magnesium #Table ... #Causes #Management