Cardiology

Bifascicular and Trifascicular Block

Bifascicular Block: 1. Left anterior fascicular block (LAFB) or left posterior fascicular block (LPFB) AND 2. Right bundle branch block…

4 years ago

Why do Right Sided Heart Murmurs Increase with Inspiration?

A heart "murmur" is the sound of blood flowing (i.e through a valve). RIGHT SIDED MURMURS (i.e Tricuspid regurgitation or…

4 years ago

Diastolic Hypertension in Hypothyroidism: Mechanism

Hypothyroidism has been recognized as a cause of secondary hypertension. Previous studies on the prevalence of hypertension in subjects with…

4 years ago

What side are Congestive heart failure Pleural effusions on?

Pleural effusions in patients with congestive heart failure are typically bilateral. However, a unilateral pleural effusion is more commonly seen…

4 years ago

Physical Findings that change Likelihood of Aortic Stenosis

Aortic stenosis (AS) is classically a mid-systolic crescendo-decrescendo murmur that radiates to the carotid. Features that INCREASE likelihood [1]: Pulsus…

4 years ago

Regular vs. Irregular Supraventricular Tachycardias (SVT)

REGULAR IRREGULAR ·         Sinus tachycardia ·         AVRT ·         AVNRT ·         Atrial flutter (with fixed block) ·         Atrial tachycardia ·         Atrial…

4 years ago

Hypokalemia and Digoxin Toxicity

Digoxin [Antiarrhythmic (Class III)] competes with Potassium for binding to cellular Na+/K+ ATPase pumps. Hypokalemia predisposes the patient to Digoxin…

4 years ago

Valsartan/sacubitril (Entresto): Mechanism

Entresto is made up of two molecules => Valsartan & Scubitril Valsartan is an ARB (Angiotensin receptor blockers) =>  Angiotensin…

4 years ago

What is Pulsus Paradoxus?

WHAT IS IT? Drop in blood pressure of more than 10 mmHg during inspiration phase. Technically not "paradoxical". It is…

4 years ago

Wolff Parkinson White Syndrome: Why avoid Beta Blockers?

Wolff Parkinson White Syndrome (WPW) is a pre-excitation tachyarrhythmia (SVT or Afib) characterized by a shortened PR interval along with…

5 years ago

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