63 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... Digoxin is a cardiac ... Digoxin effect on ECG ... Electrocardiogram #EKG ... #ECG
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... delta wave and short ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
gallop • Abnormal ECG ... , echocardiogram ... shock, sudden cardiac ... death Management ... #Cardiology
Cardiac Event Monitoring Devices - Compared
Ambulatory ECG (Hotter):
 • Advantages: Continuous recording, records asx events, all
Cardiac Event Monitoring ... Compared Ambulatory ECG ... events, all (most) ECG ... Disadvantages: Short ... #management #holter
Takotsubo Cardiomyopathy on POCUS

78 year old woman - Acute delirium but complaining of chest pain 
ECG:
of chest pain ECG ... chest leads Cardiac ... Ultrasound #Clinical #Echocardiogram ... #Cardiology
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Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
arrhythmia: - EKG ... their validity (e.g ... clinical context & EKG ... patients (including cardiac ... #Hypokalemia #Management
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
trolley and 12-lead ECG ... CM5 continuous ECG ... Obtain a 12-lead ECG ... Intraoperative #Checklist ... #Diagnosis #Management
Myxedema Heart on Echocardiogram
52F with weeks of shortness of breath, pedal edema and constipation.  Exam
Myxedema Heart on Echocardiogram ... shortness of breath, pedal ... ECG: SR, low QRS ... Myxedema #Heart #Echocardiogram ... #clinical #cardiology
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Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vascular Resistance, Cardiac ... /kg/min - Milrinone ... , medium 4-10 mcg ... /kg/min Internet ... Pharmacology #Effect #Management
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
despite intensive medical ... low (1-2) risk, +ECG ... changes or troponin Medical ... #Indications #Cardiac ... catheterization #cardiology