5 results
Interpreting Right Heart Catheterizations

Always interpret a RHC based on the indication for getting the test. This
Interpreting Right Heart ... Catheterizations ... RHC based on the indication ... What is the cardiac ... are the filling pressures
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
Inpatient Cath Lab Indications ... New/worsening MR ... Rx: NSTEMI/UA: stable ... Inpatient #CathLab #Indications ... #Cardiac #catheterization
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Right Heart Catheterization ... mortality in inferior MI ... CARDIAC POWER OUTPUT ... much as 40% in cardiac ... #Catheterization
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Cardiogenic (Intra-cardiac ... failure): • Severe heart ... failure, acute MI ... → tension PTX, cardiac ... Differential #Diagnosis #table
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Elevated intraocular pressure ... Elevated intracranial pressure ... • Bleeding • Cardiac ... #Pharmacology #Medications ... #Table