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12 Cards in this Set
- Front
- Back
- 3rd side (hint)
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V-Tach - causes?
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1. IHD, post acute-MI
2. Cardiomyopathies 3. MVP 4. Metabolic imbalance (hypokalemia, hypercalcemia, hypomag, hypoxia) 5. Dig tox 6. Thioridazine |
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Clinical manifestation of V-Tach? Pts also have concomitant?
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1. Hypotension
2. CHF 3. Syncope 4. Cardiac arrest |
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Other clinical manifestations of V-Tach? (on PE)
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1. Variation in systolic blood pressure
2. Variation in heart sound intensity 3. Intermittent canon waves in JVP 4. Extra heart sounds. |
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V-Tach is?
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3 or more consecutive beats of ventricular origin at rate >120 beats/min
(wide, bizzare QRS complexes) |
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V-Tach tx if stable?
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1. IV Amio or Lido (1 mg/kg)
2. Lido for 8 min until VT resolves 3. Procainamide until VT resolves 4. Cardiovert if unstable |
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V-Tach tx if unstable?
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1. Consider sedation
2. Cardivert 100 J --> 360 J (in increments) |
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Torsade de Pointes - drugs that cause this?
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1. Quinidine
2. Procainamide 3. Disopyramide 4. Psychotropic (TCAs, Phenothiazines, Thioridazine, Lithium) |
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What is Torsades?
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Occurs by a premature ventricular beat in the setting of abnormal ventricular repolarization; prolonged QTC interval
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Can present with sudden cardiac death
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Torsades - electrolyte imbalances that cause this?
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1. Hypokalemia
2. Hypomagnesemia |
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Torsades - clinical conditions that cause this?
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1. CNS lesions
2. SAH 3. Intracerebral hemorrhage |
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How to TX PVC?
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1. B-blockers if symptomatic
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How to tx torsades?
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1. Withdraw offending drugs
2. Correct hypokalemia 3. Give Mg 4. Cardiovert if unstable |
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