21 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic ... syncope Tests: ECG ... , Telemetry, Cardiac ... , Brain MRI, Cardiac ... Effectiveness #table
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... Cardiovascular MRI ... gallop • Abnormal ECG ... • Cardiogenic shock ... , sudden cardiac
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Hypovolemic shock ... Anaphylaxis - Post-cardiac ... Endocarditis - Post-MI ... Cardiogenic #Comparison #Table ... #Diagnosis #Features
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... Diagnosis Framework ... failure, acute MI ... uw_IMresidency #Shock ... #table #comparison
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... telemetry, 12-Lead EKG ... - MI, arrhythmia ... Cardiac surgery? ... #Diagnosis #Management
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 ... New/worsening MR ... low (1-2) risk, +ECG ... Rx: NSTEMI/UA: stable ... #Indications #Cardiac
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... : EKG ($), ECHO ... ($$$), PET CT/MRI ... COREIMpodcast #Cardiac
Undifferentiated shock - Algorithm for the Evaluation of Hypotension. This process for the evaluation of hypotension
Undifferentiated shock ... - Algorithm for ... #Diagnosis #Undifferentiated ... Hypotension #Evaluation #POCUS ... #EKG #Algorithm
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
However, when the diagnosis ... or the type of shock ... severe cardiogenic shock ... (eg, acute valvular ... #Differential #Table
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
mortality in inferior MI ... RV dysfunction. e.g ... CARDIAC POWER OUTPUT ... much as 40% in cardiac ... artery #catheter #diagnosis