18 results
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... that prolong the QT ... Hypomagnesemia Hypokalemia ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Classic EKG triad of long QT, ST-depression, and PVCs in Hypokalemia
Worry about hypokalemia; this patient had
Classic EKG triad ... of long QT, ST-depression ... this patient had cardiac ... LongQTC #PVCs #EKG ... #ECG #Electrocardiogram
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... Treatment Algorithm ECG ... ) ECG changes ... PR, wide QRS, bradycardia ... Calcium - Stabilizes cardiac
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
interval (QTc < ... associated with cardiac ... arrest and sudden cardiac ... patients with SQTS Hypercalcemia ... #ecg #ekg #electrocardiogram
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... Contraindications: - Bradycardia ... arrythmias Diagnostics: EKG ... Stress #Testing #cardiology
Bradycardia - Differential Diagnosis 
 • Cardiac disease: Myocardial ischemia / infarction, Myocarditis, Congenital disorders, Cardiomyopathies,
Bradycardia - Differential ... Diagnosis • Cardiac ... . hyperkalemia) ... • Infections (e.g ... • Autoimmune (e.g
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
palpitations, bradycardia ... heparinized tube) • ECG ... QRS intervals, bradycardia ... Elimination (see Table ... line, stabilizes cardiac
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Intraoperative Bradycardia ... known drug causes (eg ... remifentanil, digoxin etc ... myocardial infarction, hyperkalaemia ... Management #Workup #Cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Nonarrhythmic Cardiac ... Valvular disease (e.g ... Pheochromocytoma • Pulmonary ... #Palpitations #Cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
QRS complex Pulmonary ... Disorders: • Hyperkalemia ... no P waves • Hypercalcemia ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram