6 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... fibrillation and ... atrial flutter ... at therapeutic level ... #EKG #Cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... P and QRS • Atrial ... #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... (A-Fib) Summary ... Testing: • TSH level ... AFib #diagnosis #management ... #cardiology
Myocarditis 

5 Principles of
Myocarditis:
1. Build clinical suspicion
2. Decide on EMBx
3. Manage acute cardiac injury
4. Manage chronic
Presentation: - Fever ... Pericarditis, Tamponade EKG ... agent, steroids, AC ... Myocarditis #diagnosis #management ... #cardiology #summary
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Endocarditis Summary ... Libman Sacks) • Atrial ... ↑ ESR, CRP • EKG ... Endocarditis #diagnosis #management ... #cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
or family - Ever ... indicated • EKG ... Obtain EKG if: ... one post op Cardiology ... medical and surgical management