Source of Infection
Tweet Introduction Usually a thorough review of systems on history is enough to identify the likely source of infection (the screening questions on the left side column is generally… Read more »
Monthly Archives: August 2016
ACS/STEMI mimics
TweetACS/STEMI mimics seen in acute pathology Other acute cardiac pathology Acute Non-cardiac pathology ACS/STEMI mimics Conduction abnormalities Pre-existing structural cardiac disease Normal variants
ACS/STEMI mimics – Acute Cardiac Pathology
Tweet Pericarditis Saddle shaped ST elevation in multiple leads PR depression Spodick’s sign in right-ward leads Pleuritic pain relieved sitting forward Takotsubo cardiomyopathy See STEMI Echo – apical hypokinesis Recent… Read more »
ACS/STEMI mimics – Normal variants
Tweet Benign Early Repolarisation Mild ST elevation and T waves in precordial leads Notching J point (fish-hook) Less prominent in tachycardia Young, healthy adults
ACS/STEMI mimics – Structural heart disease
Tweet Ventricular aneurysm ST elevation in antero-septal leads Old Q waves Check old ECG and history of MI Left ventricular hypertrophy Up-sloping ST elevation in antero-septal leads Down-sloping ST in… Read more »
ACS/STEMI mimics – Conduction Abnormalities
TweetConduction abnormalities Brugada syndrome ST coved elevation septal leads Partial RBBB morphology History of sudden cardiac death in family especially in Asia Bundle Branch Block (left or right) ST/T changes… Read more »
ACS/STEMI mimics – Acute Non-cardiac Pathology
TweetAcute Non-cardiac pathology Pulmonary embolism ST elevation lead III Sinus Tachycardia or AF RBBB Right heart strain pattern S1Q3T3 Review major risks for PE Raised ICP (any cause) Can be… Read more »
Electrolyte Disorders – Emergencies
TweetSee also The ECG in Electrolyte Disorders Approx. ranges for severe abnormality Mild / Moderate Symptoms Severe symptoms Urgent treatment (if severe) Comments Hyperkalaemia ( > 6.5 mmol/L) QRS widening… Read more »
Electrolyte Disorders
Tweet Patho-physiology A change in serum electrolyte concentrations can be either due to a change in input, output or trans-compartmental shift Changes in input are affected by enteral or parenteral… Read more »
The ECG in Chest Pain
Tweet Introduction A common indication for an ECG is in a patient presenting with acute chest pain or features suspicious for an acute coronary syndrome The most important diagnosis to… Read more »