3181 results
Cardiac Myocyte Contractile cycle
 - Ca2+ binds to TnC → TnI is inhibited → conformational change
site between actin ... interact with active ... sites on actin ... ” myosin along actin ... Pathophysiology #Cardiology
Pharmacology of diuretics

Acetazolamide, Loop diuretics, Thiazide‐like diuretics, MRA, Amiloride

Site of Action, Maximum Dose, Half-Life, Onset, Bioavailability,
Amiloride Site of Action ... Thiazide #CHF #Cardiology
Real time ECG of a patient in SVT being actively Cardioverted with Adenosine

- Mark Ramzy DO,
patient in SVT being actively ... Electrocardiogram #Cardiology
Mitral Valve Endocarditis on POCUS Echocardiogram

Patient with active IVDU presents with fever, sepsis.

Dr. Robert Jones @RJonesSonoEM

#MitralValve
Patient with active ... Echocardiogram #clinical #cardiology
Antiplatelet Conversion - P2Y12 Inhibitor Switching
 • Clopidogrel (Plavix)
 • Prasugrel (Effient)
 • Ticagrelor (Brilinta)
Clopidogrel and
that bind to the active ... change in the active ... laila_najia via ACCP Cardiology ... #pharmacology #cardiology
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
affecting the cardiac action ... #Pharmacology #Cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
, Intermediate Action ... Blockade, Fast Action ... Blockade, Slow Action ... inotropy) ACCP Cardiology ... pathophysiology #cardiology
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Activate cath lab ... A4c #clinical #cardiology
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
fast-response cardiac action ... This type of action ... repolarization of action ... Pharmacology #Agents #Cardiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Blockade • Prolongs action ... Classification #Classes #cardiology