9 results
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
global T wave inversion ... bundle branch block ... Differential #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
pulmonary disease or CHF ... Treat underlying cause ... pulmonary disease or CHF ... Treat underlying cause ... Treatment #management #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... - treat with beta-agonist ... 200ms from longer pause ... #electrocardiogram ... #cardiology #differential
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... • Low EABV (e.g ... ., CHF, cirrhosis ... Aldosterone • ENaC blockers ... nephropathy • Beta
Bradycardia - Differential Diagnosis 
 • Cardiac disease: Myocardial ischemia / infarction, Myocarditis, Congenital disorders, Cardiomyopathies,
. hyperkalemia) ... . digoxin, beta ... blockers, calcium ... Physiological causes ... Differential #Diagnosis #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Bundle Branch Block ... bundle-branch block ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
ARBs, NSAIDs, β-blockers ... Na delivery): CHF ... heparinized tube) • ECG ... only if no clear cause ... Elimination (see Table
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
increased bleed risk Beta-Blockers ... Decreases effects of beta-blockers ... vera, Licorice - Causes ... hypokalemia, increasing ... #cardiology
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Consider known drug causes ... (eg. remifentanil ... toxicity (→ 3-10); beta-blocker ... myocardial infarction, hyperkalaemia ... Management #Workup #Cardiology