Heart Random Flashcards
S4
High atrial pressure due to Ventricular hypertrophy
S3
Mitral regurgitation
Heart failure
Dilated ventricle
Normal in children and pregnant women
S2 splitting - normal
Inspiration and exacerbated in pregnancy
S2 splitting - wide
Pulmonic stenosis
RBBB
Due to delayed RV emptying
Fixed s2 splitting
ASD - causes left-to-right shunt, causing increased RV volume and increased pulmonic flow so that pulmonic closure is delayed
Paradoxical splitting
Aortic stenosis, LBBB - conditions that delay aortic valve closure
Carcinoid syndrome
Metastatic small bowel tumor (not in bow, must be past liver) that secrete seratonin (5-HT)
Symptoms: diarrhea, flushing, wheezing
Clinical: right-sided valvulopathy
Labs: Increased 5-hydroxyindoleacetic acid (5-HIAA) in urine
Tx: surgical, Octreotide