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I have a training AED, ambu bag, o2 mask, nasal cannula, home made defib pads, scissors, hospital gown, neck brace, various electrodes, ecg leads, ET tubes and holder, laryngoscope, guedel airway, and also my stethoscope and BP cuff wich aren't on the photo.

Basically the opposite POV of the video I recorded a few days ago! :3

The experiment was fascinating; the result was unexpected. Watch the transition from tachycardia to high-rate AFib. 💓

Note: My apologies for the lack of PCG (heart sounds) in this clip. That’s a different story for another time—keeping the symphony private for now. 😉

Full video on YT:

Now, on postoperative day three, she sat propped up in her hospital bed on the sixth-floor ortho unit, the Indianapolis skyline hazy beyond the window. Her left leg—still her good one—was elevated. The right was wrapped in a bulky dressing, a continuous passive motion machine gently bending and straightening it with a soft mechanical hum. She weighed two hundred and sixty pounds these days, still heavy but lighter than she’d been in thirty years. The night-shift nurse had just finished her vitals: blood pressure 142 over 88, heart rate 92, oxygen saturation 94% on two liters of nasal cannula. “Looking good, Karen. Physical therapy at ten.”

Karen smiled, tired but proud. She’d walked twenty feet with the walker yesterday. Her kids were coming from Fishers and Carmel that afternoon with grandbabies. Life felt possible again.

It started as a tickle.

At 10:17 a.m., while the physical therapist was adjusting the CPM machine, Karen felt a sudden, deep flutter low in her right calf—like a tiny fish flipping inside the vein. A piece of clot, formed in the sluggish blood pooling behind her surgical site despite the heparin shots and compression boots, broke free. It was the size of a small grape, a red-and-white plug of fibrin, platelets, and trapped red cells. It rode the venous return up the femoral vein, into the inferior vena cava, through the right atrium, and straight into the right ventricle. The heart pumped it out into the main pulmonary artery, where it lodged like a cork in a bottle—saddle embolus, straddling the bifurcation and occluding both left and right pulmonary arteries almost completely.

Inside Karen’s lungs the catastrophe unfolded at the cellular level.

Millions of alveoli continued to inflate with each desperate breath, but the capillaries surrounding them now stood empty. Blood that should have streamed past the thin alveolar-capillary membrane—where oxygen diffuses into red cells and carbon dioxide slips out—never arrived. Ventilation-perfusion mismatch became total in the lower lobes. Deoxygenated blood poured back into the left atrium, then the left ventricle, and out to her starving body. Her arterial oxygen tension plummeted. Mitochondria in every cell—muscle, brain, heart—began to choke. Oxidative phosphorylation slowed; ATP production crashed. Cells switched to anaerobic glycolysis, flooding her bloodstream with lactic acid. Her pH began to drop.

Her right ventricle, already enlarged and thickened from years of hypertension and the back-pressure of mild CHF, suddenly faced a wall. Pulmonary vascular resistance tripled in seconds. The RV wall tension soared. Sarcomeres in the RV cardiomyocytes stretched beyond their optimal length; actin-myosin cross-bridges slipped apart. Calcium flooded the cytosol but couldn’t trigger proper contraction. Troponin leaked. The RV dilated like a balloon, bowing the interventricular septum leftward and crimping the left ventricle’s filling. Cardiac output began its fatal plunge.

Karen gasped. “Something’s… wrong.” Her chest felt as though an anvil had been dropped on it—not the crushing pain of a heart attack, but a terrifying fullness, like her heart was being strangled from the inside. She clutched the bed rail. Her heart rate monitor spiked from 92 to 138 in under thirty seconds—sinus tachycardia, the body’s frantic attempt to compensate for the falling stroke volume. The alarm chirped. Sweat beaded on her forehead, rolled down her temples. Her lips, once a healthy pink, turned a dusky blue-gray almost instantly as deoxygenated blood backed up in her capillaries. The skin of her face and neck paled to a waxy ash-gray.

The physical therapist froze. “Karen? Talk to me.”

She couldn’t. Her respiratory rate shot to forty, shallow and useless. Chemoreceptors in her carotid bodies screamed hypoxia; her brain stem drove her to hyperventilate, but the oxygen never reached the blood. At the cellular level, her neurons began firing erratically as ATP dwindled. Her vision tunneled. Within another minute, faint lacy purple mottling began to bloom across the skin of her forearms and the backs of her hands—irregular, net-like patches where blood flow stagnated in the dermal capillaries.

A nurse burst in at the sound of the alarm. “Oh God—PE protocol! Call rapid response!” She slapped the code button.

Karen’s monitor now showed the classic signs: sinus tachycardia at 152, new right-axis deviation, an S1Q3T3 pattern emerging on the tracing—the deep S in lead I, Q wave in III, inverted T in III—textbook for acute right-heart strain. Premature ventricular contractions began popping across the screen like static. Her blood pressure dropped to 78 over 42. The mottling spread rapidly, climbing up her arms to her shoulders and chest, the purple lacework deepening against the gray pallor of her skin.

She slumped sideways, eyes wide with terror. “Can’t… breathe…” The words were barely a whisper. The monitor alarm changed tone.

“PEA! She’s in PEA!” the nurse shouted.

The code team poured into the room. The charge nurse’s voice cut through the chaos as she stepped to the foot of the bed: “Karen Mitchell, fifty-nine, post-op day three right knee replacement, history of hypertension, CHF, and obesity. Full code!”

In the first frantic seconds they dropped the bed rails, flattened the head of the bed, and yanked the bulky hospital headboard off its tracks with a metallic clatter, sliding it free so the airway team could stand at the top. Two techs heaved a rigid blue backboard under Karen’s 260-pound body—“One, two, lift!”—her limp frame thudding onto it. Compressions started immediately: a resident locked his hands over her sternum and began pushing hard and fast, 110 per minute, the force rippling through her heavy chest wall. Her ribs cracked audibly on the third set of compressions, a sharp pop that cut through the shouts. The mottling deepened across her chest and abdomen, turning a vivid marbled purple as blood stagnated in the skin.

“Airway!” the anesthesiologist called, positioning himself at her head. He tried bag-mask ventilation first, but her large neck and chest made a seal nearly impossible. The mask slipped despite two hands and an oral airway; each squeeze bulged her cheeks more than it moved her chest. “Poor seal—minimal rise!” Gastric air inflated her stomach instead. After thirty seconds of ineffective bagging, her oxygen saturation readout crashed below 60%. He switched to video laryngoscope. “Intubating—grade 3 view.” The first attempt failed; swollen tissues and a large tongue blocked the path despite ramping blankets under her shoulders. Suction pulled a small rush of regurgitated gastric fluid. On the second try, the tube slid in with a hiss. Capnography waveform stayed nearly flat—almost no CO2 returning because pulmonary blood flow had all but stopped.

The team cycled roles every two minutes. Compressions continued without pause on the backboard, the resident’s arms burning as he drove two inches deep into Karen’s chest. Her skin grew cool and clammy; the purple-black mottling now covered her legs and feet, fixed and unmistakable. Epinephrine went in every three to five minutes—first dose, second, third—each push met with a brief, futile bump in the arterial line pressure that quickly faded. They bolused tPA through the central line in a last-ditch effort to lyse the saddle embolus, but the clot was massive and the circulation too poor to deliver it effectively.

Minute after minute ticked by. The room filled with the rhythmic thump of compressions, the hiss of the ventilator now attached, and the steady beeps of medications being called out. Karen’s body lay motionless on the backboard, her once-proud frame now a battlefield of failing systems—cyanotic lips and nail beds a deep slate-blue, mottled skin like cold marble. At the cellular level, her cardiomyocytes exhausted their last ATP stores; potassium gradients collapsed across membranes; brain cells in the hippocampus and cortex died in cascading waves.

They worked her for twenty-eight grueling minutes. The monitor never showed a shockable rhythm. It stayed PEA, then slowly flattened into asystole—a straight green line, the final silence.

At 10:47 a.m., the code leader called it. “Time of death, 10:47.”

Karen Mitchell, who had fought her weight, her cigarettes, her failing heart, and had won every battle until this one, never made it to physical therapy that morning. She never saw her grandchildren. In the quiet that followed, the only sounds were the abandoned ventilator still cycling on a dead woman, the backboard still under her mottled, gray-purple body, and the distant traffic on 16th Street carrying Indianapolis through another ordinary spring day.

This community is no longer enjoyable for me, and I don't see any point in continuing with the rampant stealing of content and garbage AI posts. I posted because it was fun, and because I enjoyed making friends here, but now it's no longer worth it.

I won't be taking my account down because even if I do, my posts will still be out there, and I don't really care either way. But, I won't be posting anything new here again. I won't be accepting commissions or selling videos out right. I'm done.

Have fun with your shitty uncanny AI resus and loser dudes catfishing "resus" girls.