Cardiovascular Flashcards
Risk factor for tricuspid endocarditis in horses
Thrombophlebitis
Most common and uncommon valves affect with degenerative valve changes in horses
Common — aortic
Uncommon - pulmonic
Valve with degeneration that is more
Likely to develop signs of HF
Mitral
Brisket disease
Cor pulmonares - pulmonary hypertension the leads to right ventricle distention and failure. High altitudes
Brisket disease gets worse with?
Ingestion of locoweed (Astralagus)
Locoweed toxin
Swainsonine
Digoxin
Do not use in ionophore toxicity
Positive inotropic agent
Pic and trough 1 to 2ng/mL
Drugs to treat Vtaq
Lidocaine MgSO4 Procainamide Propafenone Propanolol Quinidine
ECG changes in pericarditis
Decreased QRS amplitude
Electrical alternans
Cardiac lymphosarcoma in cattle
Right atrium
Quinidine half life
6 hrs
Hyperkalemia ECG
Peaked T wave
Prolong P R interval
Widening QRS
Loss of P wave
If severe — bundle branch block
Hipocalcemia ECG
Narrow QRS
Reduced PR
T wave flattening and inversion
Prolong QT
