910 results
Atrial Fibrillation RVR - Medications
Diltiazem
 • Preferred in patients with chronic lung such as Asthma and
Atrial Fibrillation RVR ... Fibrillation #AFib #RVR ... management #treatment #comparison
Mechanisms of acute right ventricular dysfunction/failure (RVD/RVF) #rightventricle #rvfailure #rvdysfunction
dysfunction/failure (RVD ... /RVF) #rightventricle
Simplified Vasopressors and Inotropes Comparison Chart
MAP = CO x SVR
Dobutamine - Norepinephrine - Epinephrine - Phenylephrine
and Inotropes Comparison ... Chart MAP = CO x SVR ... Vasopressors #Inotropes #comparison
Vasopressors and Inotropes - Comparison Table
Activity: Alpha-1, Beta-1, Dopamine, SVR, HR, CO, BP
Phenylephrine
Vasopressin
Norepinephrine
Epinephrine
Dopamine
Dobutamine
Isoproterenol
Milrinone

- Dr. Eric Strong
and Inotropes - Comparison ... Beta-1, Dopamine, SVR ... Vasopressors #Inotropes #comparison
Pressors and Inotropes

Norepinephrine
 • alpha1 > beta 1
 • Increase SVR > Inotropy
Vasopressin
 • V1
 •
1 • Increase SVR ... V1 • Increase SVR ... 1 • Increase SVR ... Inotropy, Decrease SVR ... #pharmacology #comparison
Calcium Channel Blockers - Dihydropyridines vs Non-Dihydropyridines
Dihydropyridines (amlodipine, felodipine, nifedipine, nicardipine)
 • SVR: Decrease
 • Inotropy:
nicardipine) • SVR ... verapamil) • SVR ... #pharmacology #comparison
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Framework MAP = CO x SVR ... arrhythmia • ↓ CO, ↑ SVR ... PAH • ↓ CO, ↑ SVR ... toxins • ↑ CO, ↓ SVR ... Diagnosis #table #comparison
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
big squares - RR ... AntLat MI, WPW, RVH ... WideQRS: RBBB (V1/V2 rsr ... qs; lat leads rsr ... - QTc < 1/2 RR
Algorithm for the management of atrial fibrillation with rapid ventricular response

- Dr. Tom Fadial @thame 

#Atrial
fibrillation #AFib #RVR
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
≤ 0.9 predicts RV ... 1.85 predicts RV ... correlates with RV ... 0.8 indicates RV ... 0.63 predicted RV