11 results
The cardiac cycle describes each heart beat, incorporating relaxation and contraction. Phase one describes diastole and
The cardiac cycle ... and then to its peak ... valve closes and ... second, smaller peak ... #Pathophys #Cardiology
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
Angiography or Cardiac ... - Most Common Cause ... non-culprit vessels • Atrial ... PFO, ASD, h/o of cardiac ... scoring #criteria #cardiology
On a chest film only the outer contours of the heart are seen.
In many cases we
On the lateral view ... Enlargement will cause ... #Anatomy #Radiology ... #CXR #Atrium #Ventricle ... #Cardiac #Chambers
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
CA • Involves aortic ... Libman Sacks) • Atrial ... : • New cardiac ... block, annular or aortic ... diagnosis #management #cardiology
The location of the cardiac valves is best determined on the lateral radiograph.
A line is drawn
location of the cardiac ... The pulmonic and aortic ... enlargement of the left atrium ... Clinical #Diagnosis #Radiology ... #CXR #Lateral #
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Acute Pulmonary Embolism ... evaluating for other causes ... of cardio-pulmonary ... also a result of atrial ... AcutePE #diagnosis #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Ovarian CA, involves aortic ... Libman Sacks) • Atrial ... cause injury by ... block, annular or aortic ... Differential #Diagnosis #cardiology
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
mSv 1 year - Barium ... mSv 4 years - Cardiac ... - Tomography (PET ... #PatientInfo #Radiology ... Imaging #ChestXRay #CXR
Persistent Left Superior Vena Cava and Unroofed Coronary Sinus
Bubble study for cryptogenic stroke.  Left arm
→ L superior cardinal ... ) & RA or both atria ... rarely absent →Cause ... of systemic embolism ... CoronarySinus #clinical #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Prolonged R wave peak ... complex Pulmonary Embolism ... Post-cardioversion • Acute aortic ... differential #diagnosis #cardiology