13 results
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
), Cardiogenic shock ... , Some cases of ... Tachyarrhythmias, Cardiac ... Tachyarrhythmias, Cardiac ... Inotropes #comparison #table
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... , pallor Cardiogenic ... failure, acute MI ... findings based on cause ... Differential #Diagnosis #table
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
or the type of shock ... those with severe cardiogenic ... shock (eg, acute ... output (ie, cardiac ... #Differential #Table
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Hypovolemic shock ... Anaphylaxis - Post-cardiac ... Endocarditis - Post-MI ... #Distributive #Cardiogenic ... #Comparison #Table
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... ) Cardiogenic ( ... contractility) - Acute MI ... exacerbation (any cause ... Classification #Table
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
mortality in inferior MI ... patients with cardiogenic ... • Advanced cardiogenic ... CARDIAC POWER OUTPUT ... much as 40% in cardiac
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
Unstable/cardiogenic ... shock 2. ... New/worsening MR ... Rx: NSTEMI/UA: stable ... #Indications #Cardiac
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... . narrow pulse pressure ... wound. drains) Cardiogenic ... O2 delivery • MI ... #differential #causes
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... . narrow pulse pressure ... wound. drains) Cardiogenic ... O2 delivery • MI ... #differential #causes
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
exclude other causes ... ancestry, LGE on MRI ... Minority of Pts: cardiogenic ... shock and severe ... and timing with Cardio-OB