Random lists Flashcards
Etiology of incompetent heart valves
Carditis (rheumatic fever)
Valvular stenosis (previous endocarditis or calcium deposits)
Myocardial disorders that may cause cardiogenic syncope
HOCM
Myxoma
Bradyarrhythmias that may cause cardiogenic syncope
Sick-sinus syndrome
Sinus bradycardia
High grade AV block
Pacemaker malfunction
Supraventricular tachyarrhythmias that may cause cardiogenic syncope
supraventricular tachycardia
atrial fibrillation w/ rapid response
ECG findings with supraventricular tachyarrhythmias
Wolff-Parkinson-White syndrome
Brugada syndrome
Long QT syndrome
Ventricular arrhythmias that may cause cardiogenic syncope
V-tach
Torsades de pointes
Valvular disorders that may cause cardiogenic syncope
Mitral stenosis
Aortic stenosis
Vascular disease that may cause cardiogenic syncope
Myocardial infarction
Aortic dissection
Pulmonary hypotension
Pulmonary embolism
“low flow” states that may cause cardiogenic syncope due to hypotension
Advanced cardiomyopathy
CHF
Valvular insufficiency
Meds that decrease afterload
What types of heart issues can cause cardiac syncope? (Broad categories)
vascular disease
Valvular dysfunction
Arrhythmias
Myocardial disorders
What effect on the heart does HYPERKALEMIA cause
reduced myocardial excitability with depression of both pacemaking and conducting tissues
EKG findings with HYPERKALEMIA
Peaked T waves
Prolonged PR segment
Broad P waves and QRS complexes
Loss of P waves
Bradycardia
spreads everything out
What is the effect of HYPOKALEMIA on the heart
myocardial hyper excitability with the potential to develop re-entrant arrhythmias
ECG findings of HYPOKALEMIA
T wave inversion & prominent U wave
Long QT interval
Effect of HYPERCALCEMIA on the heart
block the conduction pathways of electrical impulse
ECG findings of HYPERCALCEMIA
Shortened QT interval
Effect of HYPOCALCEMIA on the heart
decreased myocardial contraction
ECG findings of HYPOCALCEMIA
Prolong QT interval
Effect of HYPERMAGNESEMIA on the heart
delayed conduction of electrical impulse
ECG findings of HYPERMAGNESEMIA
Prolonged PR interval
Wide QRS complex