Triads

Question 1

Diagnostic Triad of Wolff-Parkinson-White (WPW)

Answer 1

• Wide QRS complex
• Short PR interval
• Delta wave; slurring of the initial part of QRS complex

Question 2

Triad of chronic renal failure in ECG

Answer 2

• Peaked T waves (hyperkalemia)
• Long QT due to ST segment lengthening (hypocalcemia)
• LVH (systemic hypertension)

Question 3

Beck’s triad of cardiac tamponade

Answer 3

• Hypotension
• Muffled heart sounds
• Distended neck veins with a prominent x-descent but an absent y-descent

Question 4

Plaques that have caused fatal thromboses

Answer 4

• Thin fibrous caps
• relatively large lin
• high content of m

Question 5

Major determinants of myocardial O2 demand (MVO2)

Answer 5

• Heart rate
• Myocardial contractility
• Myocardial wall tension (stress)

Question 6

Triad of Buerger’s disease

Answer 6

• Claudication of the affected extremity
• Raynaud’s phenomenon
• Migratory superficial vein thrombophlebitis

Question 7

Virchow’s Triad

Answer 7

• Stasis
• Vascular damage
• Hypercoagulability

Question 8

Clinical syndrome of hemochromatosis

Answer 8

• Cirrhosis
• Diabetes
• Hypogonadism