9 results
Aortic Stenosis Grading on echocardiography
The cut-offs for grading can be found in table 1. Discrepancies are
Aortic Stenosis ... can be found in table ... and are usually caused ... measurements - high or low ... AorticStenosis #Classification
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Valvular • Stenosis ... Artery Disease • Stable ... Pleural Thickening/Masses ... #Causes
Systolic Murmurs - Differential Diagnosis Algorithm
Benign / Flow / Hyperdynamic:
 • Pregnancy
 • Fever
 • Anemia
Supravalvular
Differential Diagnosis Algorithm ... Benign / Flow ... Papillary Muscle Dysfunction ... Differential #Diagnosis #Algorithm ... #causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
renal tubular dysfunction ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Pressure Recovery (PR). 
When the ventricle contracts, blood flow converges beyond the aortic valve (AV) at
Pressure Recovery (PR ... In aortic stenosis ... However, is some cases ... of aortic stenosis ... Pressure #Recovery #PR
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
ASA class If ... event, follow ACC algorithm ... or LV dysfunction ... Orthopedic • Low ... Severe Aortic stenosis
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
twitching CARDIAC CAUSES ... or sinus node dysfunction ... Nonarrhythmic Cardiac Causes ... insufficiency, stenosis ... NON-CARDIAC CAUSES
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
should use this algorithm ... risk of smallpox –low ... specimens from low ... See table below ... all HIGH RISK CASES