Bradyarrhythmias

Bradyarrhythmias: the types of acute myocardial infarction associated with heart block

A 48-year-old woman presents to the emergency department with a 2-day history of intermittent neck pain associated with nausea. Her pain progressively worsened and is now persistent. The following ECG…

Bradyarrhythmias: rash, a history of tick bite, and slow regular rhythms

A 61-year-old man presents to the emergency department with generalized weakness and dyspnea. He reports a recent tick bite and associated circular rash with target-like appearance to the arm. He…

Rhythm Interpretation: electrocardiographic polyuria (too much P…waves) and how to successfully break down complicated rhythms

A 54-year-old man presents to the emergency department reporting that his heart feels like it is skipping beats. He is noted to be bradycardic on arrival. The following ECG is…

Rhythm Interpretation: differential diagnoses for electrocardiographic polyuria in unstable bradycardias

An 88-year-old man is brought into the ED with lightheadedness and palpitations.  The following ECG is obtained: 

Bradyarrhythmias: differentiation of Mobitz and other atrioventricular (AV) blocks

An 83-year-old woman is brought into the ED with lightheadedness and is noted to be bradycardic. The following ECG is obtained: 

Bradyarrhythmias: what to consider when an unstable bradycardia is not reponding to standard ACLS treatments

A 60-year-old woman presents to the ED with dyspnea on exertion and malaise. She is hypotensive and bradycardic. The following ECG is obtained:

AV Block Bootcamp (Episode 3/3): the answer lies in the PR interval!

HPI: A 72-year-old female presents to the ED with chest pain and lightheadedness. The following ECG is obtained:

AV Block Bootcamp (Episode 2/3): what is the atrium doing, what is the ventricle doing, and what is their relationship?

A 72-year-old female presents to the ED with dyspnea. The following ECG is obtained:

AV Block Bootcamp (Episode 1/3): differential diagnoses for non-conducted P waves, what you need to know to clinch the diagnosis!

A 78-year-old female presents to the ED with lightheadedness and bradycardia. The following ECG is obtained:

STAT ECG Diagnoses: bradycardia, renal failure, AV nodal blockade, shock, and hyperkalemia

A 54-year-old female presents to the ED with generalized weakness and malaise. She has multiple medical problems and is taking several prescribed medications including aspirin, metoprolol, and warfarin. She recently…

STAT ECG Diagnoses: chronic atrial fibrillation with bradycardia and hypotension

A 87-year-old man with history of HTN, CKD, CHF (EF 45%), and chronic atrial fibrillation presents with 1-week history of generalized weakness, loss of appetite and intermittent dizziness. He denies…

ECG Basics & Fundamentals: the ECG findings of hypothermia

An 80-year-old male with a history of HTN, atrial fibrillation and an unknown “kidney problem” presents to the ED after being found unresponsive at home by his son. He was…

Bradydysrhythmias: a differential for too many P waves and a lesson in how to break down difficult rhythms

An 81-year-old female presents to the ED with lightheadedness and “funny heart beats”. She has no associated dyspnea and is noted to have normal vital signs. The following ECG is…

Bradydysrrhytmias: altered mental status, hypotension, and not able to transcutaneously pace

A 50-year-old male is brought into the emergency department from prison with bradycardia, hypotension, and altered mental status. Medics started IV fluids and treated with atropine with no response prior…

STAT ECG Diagnoses: what to do when advanced life support (ACLS) does not work

A 40-year-old man is brought to the ED moribund with agonal respirations, hypotension (SBP~50) and bradycardia. The following ECG was obtained and ACLS started with no response to atropine or…

ECG Basics and Fundamentals: ECG findings in hypothermia

HPI: An elderly woman is found down by EMS early in the morning in Baltimore. Her family reports that was drinking some eggnog the night before at a holiday party….

Bradyarrhthmias: considerations in unstable patients with discussion on an important causes of refractory bradycardia

 A 42-year-old woman presents to the ED with decreased level of consciousness after a seizure. She has no obvious signs of trauma, and vitals signs are normal except for marked…

Spooky cold ECG findings in a patient with altered mental status on halloween night

What is the cause of these slurred and downsloping ST segments?

A 56-year-old man with PMHx of atrial fibrillation presents to the ED with generalized weakness and near-syncope. He is found to be hypotensive and bradycardic. The following ECG is obtained:

Bradyarrhythmias: bizarre slow rhythm that is not responding to ACLS