14 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Atrial flutter ... 1 , 3:2, 4:3, etc ... bradyarrhythmia #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
x 10 Rhythm (1) ... : WPW, ectopic atrial ... pacer - QTc < 1/ ... Approach #ECG #EKG #diagnosis ... #electrocardiogram
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
(LV thrombus, LAA ... Angiography or Cardiac ... PFO, ASD, h/o of cardiac ... Artery #Embolism #diagnosis ... #differential #
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG 1. ... anterior descending (LAD ... failure, and death. 2. ... #leadAVR #ecg #electrocardiogram ... cardiology
Rheumatic Heart Disease - Mitral Stenosis on Echocardiogram
(1) Thickened and fibrosed MV leaflets - rheumatic etiology
Echocardiogram (1) ... (2) Lvef 25-30% ... (4) All 4 cardiac ... (7) patient in atrial ... #a4c #thrombus
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Radiation Injury
Acute Radiation Toxicity primarily affects rapidly dividing cells based on dosage
Hematopoiteic - Pancytopenia, Infection
 •
Gy • Onset <2 ... • Onset Hours Cardio ... people) = 4.5 Gy. 1 ... Gy = ~10,000 CXRs ... Injury #Toxicity #diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
height of QRS in 2 ... Ischemia #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI ... Interpretation #differential
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
ankle swelling. 2. ... → no signs of CXR ... congestion. 2. ... Consider cardiac ... Other: Electrocardiogram
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: 1. ... system activity, 2. ... lack of acute cardiac ... ischemic changes CXR ... #diagnosis #cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
exam Determine Cardiac ... one post op Cardiology ... postoperative cardiac ... CARP, DECREASE V trials ... stratification #diagnosis