cardio- Cyanotic Heart conditions, Fallot’s Tetralogy, Transposition of the Great Arteries Flashcards
What is fallout tetralogy?
four coexisting pathologies:
Ventricular septal defect (VSD)
Overriding aorta
Pulmonary valve stenosis
Right ventricular hypertrophy
RF of fallout tetralogy
Rubella infection
Increased age of the mother (over 40 years)
Alcohol consumption in pregnancy
Diabetic mother
ix of fallot tetralogy?
ECHO
doppler flow studies.
CXR: “boot shaped” heart due to right ventricular thickening
sx fallot tetralogy?
Cyanosis (blue discolouration of the skin due to low oxygen saturations)
Clubbing
Poor feeding
Poor weight gain
Ejection systolic murmur heard loudest in the pulmonary area (second intercostal space, left sternal boarder)
“Tet spells”
what are tet spells?
intermittent symptomatic periods of cyanotic episode
may be precipitated by waking, physical exertion or crying
tet spell treatment options?
upplementary oxygen Beta blockers IV fluids Morphine Sodium bicarbonate Phenylephrine infusion
what is arterial switch operation
is an open heart surgical procedure used to correct dextro-transposition of the great arteries
What is the problem in translocation of the great vessels?
- Aorta comes from RV
- Pulmonary trunk from LV
Essentially means blood circulates without being oxygenated
What procedure is carried out in a transposition of the great vessels to allow blood flow through both sides?
Rashkind’s atrial septostomy
What is the definitive treatment for translocation of the great vessels?
Switch procedure
palliative measure of ballot tetralogy?
beta blockers
