39 results
Wellens' Syndrome on ECG

A 66-year-old man with hypertension and hyperlipidemia presents after an episode of severe
Wellens' Syndrome on ECG ... of severe chest pain ... while walking to work ... A 12-lead ECG is ... #EKG #Electrocardiogram
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
interval - Only works ... Bazett's Formula: QTc ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
on ECG Mid ... female with chest pain ... Triage EKG (no prior ... #Embolism #ECG ... #EKG #Electrocardiogram
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... and Workup Algorithm ... Pneumothorax • Pulmonary ... : • EKG • Bedside ... MatthewHoMD #Chest #Pain
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... Syncope #Syndromes #ECG ... #EKG #Checklist ... diagnosis #cardiology #electrocardiogram ... #differential
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... pathology (e.g. ... SSRIs) Severe pain ... #Diagnosis #Table
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
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
LV compliance), ECG ... : electrocardiogram ... velocities, PVF: pulmonary ... atrium, PASP: pulmonary ... Grades #Criteria #Table
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Blood Pressure, Pulmonary ... Vascular Resistance, Main ... /kg/min - Milrinone ... Vasopressors #Properties #Table